I've known scary smart people in my life, but not too many. I've also known (actually known and known in the cursed Discourse) lots of people who, by pedigree and the fact that not enough people told them to shut the fuck up in their lives, truly believe they're scary smart.
Even the scary smart people aren't usually scary smart about everything, or in all ways.
A post inspired by seeing too much dumb stuff before I've finished my morning coffee.