Yeah I agree with this. I thought I read that scientists claim there's no such thing as "group selection" in evolution, i.e. where one individual in a group will do something bad for himself but good for the group (reproductively speaking).

Yeah it looks like wikipedia has a page on this controversy:

https://en.wikipedia.org/wiki/Group_selection

Richard Dawkins apparently doesn't believe in it, and neither does Steven Pinker.

But just based on casual observation I think group selection is real (yes I know that's not scientific). Humans are like ants in many ways... some of us are "programmed" to perform specific roles.