Very few people are trying to genuinely chose the most good for the most people; they’re trying to improve their group status by signalling social supportiveness. There’s no point to that if your group will be replaced; even suicide bombers require the promise of life after death or rewards for their family.
I am rich because I own many slaves. I prefer to adopt a ruleset that will favor me by continuing to provide me with slaves. … etc.
Which is not necessarily a bad choice for you!
Very few people are trying to genuinely chose the most good for the most people; they’re trying to improve their group status by signalling social supportiveness. There’s no point to that if your group will be replaced; even suicide bombers require the promise of life after death or rewards for their family.