EasyPrompt: But me making fun of them and imitating their tactics isn't the way to fix it.
But it can be useful, as a way of holding up a mirror to a bully. Especially one who self-righteously insists that he is not a bully, only and always a victim.
Mockery isn't the primary focus of the topic, but the man invites it. See, he hasn't fallen, not in the way that you might intend to convey. If left alone, he would pick up the pieces and rebuild his channel and website using the exact same tactics that he did before. He may have suffered for being mean and abusive to others, but he hasn't learned from it. And he may never learn from it.
Left alone, he might have ruined Kim's life, the way he has ruined other lives and so many of the things he has touched. If an endless topic helps bring him low enough that he can't do that anymore, then a bit (or a bunch, *winks at Toblerone5*) of added mockery at his expense is not something to worry much about. IMO, of course.