What is funny about this Onion article?

[Speaker_for_the_Dead]

@Derleth

It’s also a callback to this article. It might just be a running joke due to the staff’s dislike of Bush. That, or they want to parody ‘cartoonish’ violence by transposing it into the real world with real consequences.

I was actually going to post and ask what was supposed to be funny about this.