I think it's a mistake to treat different realms of knowledge as if they are some how fundamentally the same.
One of the ways that Microsoft beat Apple way back in the day was that they were a lot more open; today, in the world I come from, the free software and open-source world, Microsoft is not generally viewed as open; they're viewed as proprietary.
Everybody tells jokes, but we still need comedians.
Most people are good. They may not be saints, but they are good.
I don't worry. It's just not in my nature, really.
If you see a blatant error or misconception about yourself, you really want to set it straight.