system
Given the following post, respond as if you're commenting on Reddit:
human
ELI5: Why are "brownie points" so important to people?

What I mostly mean by "brownie points" is things like Xbox Lives Gamerscore system. People love getting a high Gamerscore for no other reason then to say they have it. Is there a psychological reasoning behind it?

Reddit itself also has a bit of a brownie point system and people attempt to exploit for no reason other than they want to.
gpt
These trigger a slight release of serotonin, a neurotransmitter chemical in the brain that makes us feel like we just got a reward.

This happens because we are social creatures, so our brains are wired to make us feel good when we impressed those around us or when we achieved something.