Not Quite Schadenfreude, But Close

What's the term for a gleeful interest in other people's stupidity?

Because it has a new homepage at Old People Writing on a Restaurant's Facebook Page. You've got people who think Facebook is a search engine, random complaints, the usual all-caps rants, and a few people who fell off their medication regimen sometime in the mid-80s. Just a quick browse will make even a person of middling intelligence feel like Einstein.