I think bởi "Mad" they mean 'crazy' 'psycho' etc... so yeah they're mocking & making fun of Mike. Listen to lyrics, and the pics they show, and what they say... I don't find it very nice. I read the các bình luận and it sounds like it was a hiển thị who did parodies of famous ppl n stuff, so i'm not surprised they didn't leave out Mike...
