Informality and bad grammar but otherwise sound decision making is fine, I think everyone's arguments for it here make sense.

But let's not pretend that, at least in the US, that's what it's limited to. Our current and immediate past president are both elderly men with potentially compromised mental states who regularly say crazy nonsense stuff.

Try watching this (https://www.facebook.com/watch/?v=455169079910588) or this (https://www.youtube.com/watch?v=6ZsdlULgqvA) and then watch the literal crowds of people who are saying "you just don't understand! You're not parsing it right! You're not paying enough attention to their genius!"

It's wild that we make excuses like this for people. One has to ask where the line is.

This almost certainly happens in business, too - it's just not as obvious because those folks don't have to constantly do it in public.