The #python IRC channel has a "NO LOL" policy. That channel is one of the most helpful channels on Freenode.

The article makes a great case for why humor on the web can be bad for the web. But I was disappointed that it stopped there. It didn't go into how to stop it at all.

Humor is important but only when carefully practiced in the most tasteful way. The humor-user must provide undeniably useful content sprinkled with humor for it to be positive.