for the most part, it's a great razor for deciding who you want to have as friends.

another one that is good is learning about cult brainwashing techniques, hypnosis, mind control and psychological manipulation. once you see that doozy you'll be quite happy to not have many social connections anymore, and bitcoiners are mostly not manipulators, especially not the ones you meet irl at meetups. the scummy ones are mostly online harvesting attention.