Interacting with a lot of stupid people makes other stupid people feel superior because they don't realize how stupid they really are in the first place. They get the satisfaction of saying everyone else is stupid while being blissfully unaware that they are also stupid. These same people are the ones who think truly intelligent people are know-it-all assholes because they look like morons when compared to them. The intelligent people choose not to interact with morons and often have lower satisfaction in life because they realize there are more idiots than intelligent people and get depressed a bit.

Sounds like pushing diversity narrative again. I am gonna call bullshit.

I love how they always say "correlation is not causation" and then reference shit like this.

If you are interacting with a lot of people then you probably have a more interesting life than some one who stays at home all day. It has noting to do with the magical diversity of interactions. The title should say "People who do more stuff are happier than those who don't."