Well that's your belief and I respect that. Atleast you still have your humanistic empathy. I lost mine long ago helping the same people you think should be helped. And there's no guarantee that you'll be payed back in the same kindness. Helping others only gets you so far. I take it you somewhat believe in karma, what goes around comes around so to speak? Yea well I don't. You make it sound like there's a contract between people to be nice when that's far from the truth.
no i dont believe in karma
but the first step to popularity is to give more than to take.
even many succesful psychopath do this (at least at the beginning) to gain the trust and respect of others.
if you smile honestly at people they will smile back in most of the cases (at least if youre not ugly as the sin)
in general people aint bad. if you help them, give them presents, attention they will feel the urge/obligation to "pay" you back. its deep in our dna. humans are social beings. our ancestors wouldnt have survived if they all would have been bitter, weird loners or straight assholes and psychopaths.
helping others is often a great feeling too. can give you purpose, the feeling to be needed and eventual happines.
and i would put it that way: giving more than taking is no garantue for a happy life but always taking more than you give is a garantuee for an eventually unhappy life
the worst thing you can do after getting treated badly is to become bitter, self absorbed and tryhard egoistical. taking yourself the chance away to shine for yourself and others