I haven't seen the interview, but I would imagine Warnock fully accepts he is seen as fairly bad also. Hence probably why he was asked the question, probably as it may have come up when talking about his own touch line antics.
Something he said made me laugh during corona, I can't find the exact quote, but it was words to the effect of: I miss the fans calling me a **** every week. When he had Covid, he talked about if he'd died, he'd have asked for a minutes abuse, rather than a minutes applause/silence at games, just for old times sake. I think it was along those lines anyway.
He clearly knows he's not well liked by opposition fans, and fair play to him for taking it in good jest.