Self-deprecating humor is some of the best humor. It’s people writing what they know, and if there’s one thing funny people know, it’s hating themselves.
Making self-deprecating jokes is a sign that you don’t take yourself too seriously. I mean, it’s also a sign of severe depression BUT WE GOT PILLS FOR THAT. That reminds me, I should take mine.
Don’t feel sorry for these people. Yes, they are taking significant shots at themselves, but it is for a laugh – the most important thing there is.