'Just'
'Just'
Not malitious - this is a case of chaotic good. If it's funny and harms noone, roll with it!
Behave by Robert Sapolsky. It's an excellent book if you're trying to understand why the people around you are like.. well, that way. But if you didn't study neuroscience, you'll likely have to re-read it to get at least the most important points to stick.
Do you.. do you really rhink that way?