*Looks at slavery, capitalism, austerity and nationalism*
You know, most ways to hell is paved with BAD intentions
Anyway, we arent you. If you cant do something for someone else because its the right thing to do without getting a reward, that's a you problem
Many people who have ever worked as nurses, disaster relief response units, child care workers, teachers, waiters, truckers, janitors (essential works generally) act more out of self interest. Their reward is not money because they do not get paid what value they provide
Just because you cant put aside your self interest, doesn't mean others can't