Yep. Happens alla time. I always considered those folks good entertainment targets for mockery, or you threaten to bounce them entirely. Eventually they realize they're not a beautiful snowflake and you wouldn't not enjoy bouncing them.

Moderator goal is to be Deputy Dawg with his feet on his desk, "moderating" by benign neglect. Pity it doesn't work that way unless you occasionally smack some toolbag's face in, and the regulars help set the tone that that ain't cool.

Remember, a temper tantrum can be a lot of fun if you have absolutely no reason to put up with it.