The only joke here is the topic.
Topic Is the Joke
Explanation
Explain Bear
Alright, listen up, buttercup. This ain't rocket science. The author is saying that the topic they're talkin' about is so ridiculous, it's basically a joke. Maybe you're just too dense to get it, which wouldn't surprise me, seein' as how you're askin' a bear to explain a simple jab.
mr tinted
oof