Because we love.
And real, practical, pragmatic life sometimes makes demands on people to work against their prior judgments and associations and competing instincts in order to survive.

No emotion or feeling is absolutely "good."
All emotions can lead to future harm.
The biological process of love is based on procreation. Attraction, leading to sex, leading to babies. You naturally pair bond for the sake of babies, to stay together long enough to raise and train the baby to run away from lions and not get kicked out of the group.
You don't fall in love based on your own selfish long term emotional health and fulfillment.
You can "fall" in love with people who aren't good for you in the long term.
Your body has natural emotions and naturally developing feelings to counteract itself in order to fulfill its best survival interest.

Objective rational thought takes training and time.
Historically speaking people didn't always have the time to investigate, experiment, argue, collaborate, and come up with a plan of action.
"Oh, my mate, who is the love of my life, is drunk and enraged and beating me and about to stab me? Oh gee, if only I had a naturally occurring emotion that could be triggered to overcome this fear and need to live up to my love feelings, motivating me to take action."
"Oh, those other human beings keep attacking our village? I could never harm another human being, I don't want to fight and risk myself, gee if only there was a naturally occurring emotion to work against this need to be part of a group and therefore non violent towards the people I rely upon, and it could be focused on them rather than all people turning me into a berzerker running amok."

Other than that, lots of people use the term "hate" when they really mean something else because their vocabulary and/or understanding of themselves is limited.

I pulled the material below off the internet

...I thought about it when I read your share....


Maybe so, Maybe not. We’ll see.
There is a Chinese Proverb that goes something like this…

A farmer and his son had a beloved stallion who helped the family earn a living. One day, the horse ran away and their neighbors exclaimed, “Your horse ran away, what terrible luck!” The farmer replied, “Maybe so, maybe not. We’ll see.”

A few days later, the horse returned home, leading a few wild mares back to the farm as well. The neighbors shouted out, “Your horse has returned, and brought several horses home with him. What great luck!” The farmer replied, “Maybe so, maybe not. We’ll see.”

Later that week, the farmer’s son was trying to break one of the mares and she threw him to the ground, breaking his leg. The villagers cried, “Your son broke his leg, what terrible luck!” The farmer replied, “Maybe so, maybe not. We’ll see.”

A few weeks later, soldiers from the national army marched through town, recruiting all the able-bodied boys for the army. They did not take the farmer’s son, still recovering from his injury. Friends shouted, “Your boy is spared, what tremendous luck!” To which the farmer replied, “Maybe so, maybe not. We’ll see.”

The moral of this story, is, of course, that no event, in and of itself, can truly be judged as good or bad, lucky or unlucky, fortunate or unfortunate, but that only time will tell the whole story. Additionally, no one really lives long enough to find out the ‘whole story,’ so it could be considered a great waste of time to judge minor inconveniences as misfortunes or to invest tons of energy into things that look outstanding on the surface, but may not pay off in the end.

The wiser thing, then, is to live life in moderation, keeping as even a temperament as possible, taking all things in stride, whether they originally appear to be ‘good’ or ‘bad.’ Life is much more comfortable and comforting if we merely accept what we’re given and make the best of our life circumstances. Rather than always having to pass judgement on things and declare them as good or bad, it would be better to just sit back and say, “It will be interesting to see what happens.”

those who hate Muslims .. .. homosexuals.. transgender .. people of another religion/ race or sexual orientation ..

(what exactly is it that they see in themselves ???) one word: discrimination. I hate that, you know?
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What you just said..Its beautiful.

I believe it is because as humans we have developed connections to each other that require our 'senses' to recognize those things we should emulate or interact with and those things we should avoid or steer clear of

love is the connection that is learned by a pleasant stimulus which draws us near and hate is the connection that is learned by an unpleasant stimulus which warns us off,,,

yes, I believe feelings have evolved, at times, from some human need

and at others, from human desires


and then, there is the evolution of language itself which at this time seems to cause the words love and hate to be overused as tools to shut down a topic

someone doesn't think you should do something? well, if they 'love' you they will be happy you are happy,,,,,(if you can want ANYTHING but for them to be happy you must not love them)

and if they can't be happy and desire your happiness they must hate you,,,,

the words seem much less meaningful than the actual unspoken emotions,,,

I can say that I was raised to believe the words are very SERIOUS and not to be used casually, though the common vernacular rubs off on me at times

I will rarely ever use the word 'hate', and am careful about explaining myself when I use the word 'love' (there is love for family, love for Christ, love for a spouse, love for children, love for a lover, love for a friend,love of fellow humans,etc,,,)

I disagree sir.

No one is responsible for my actions, or feelings.

Good or bad <---and that comes from pre-judgements, or prejudices, learned behaviors or repetitive thought processes.

Once you change how you see it,
then you'll change how you'll feel about it.

And then,

you can decide what course of action needs to be taken, if any at all.

The actions of others are only effective if I determine that they are.
I decide how much energy to give someone or something and I decide the course of action to take.

I decide whether to "respond, or react"

And ultimately,
I am responsible for my actions and/or my "reactions"

I believe it is because as humans we have developed connections to each other that require our 'senses' to recognize those things we should emulate or interact with and those things we should avoid or steer clear of

love is the connection that is learned by a pleasant stimulus which draws us near and hate is the connection that is learned by an unpleasant stimulus which warns us off,,,

I will never understand the question because I choose not to hate and I imagine if someone does hate it must take an awful lot of feeling to actually FEEL the hate emotion xx

I guess the only thing left, are those times when I am hurt so deeply by someone or something, that I continue to feel the anger or fear or pain for so long, and directly associate it with my memory of them or it. That could be defined as hate too, though somehow it seems different to me.

I will never understand the question because I choose not to hate and I imagine if someone does hate it must take an awful lot of feeling to actually FEEL the hate emotion xx

Well missy, actually
Other people are responsible for most of your feelings.
They tell you a joke you laugh.
They say BOO and you jump.
They say they don't love you any more then your sad.
They steel you phone or car and your cross.
They buy you flowers and your happy (ok, ok your going to tell me you don't like flowers )
I could go on but I'm sure you get it