Because he paid for many of the followers, commenters and Likes. Much like his Fake YT subs and Fake IG followers, he invested too much to just let it go like that. He is probably emailing FB Mods like crazy whining like a bitch how he got hacked and some scammer is using his account.
meanwhile, YT admins are getting dozens of email how that account ALWAYS belonged to a Scammer with Fake teeth to match his Fake Money and Millionaire lifestyle! HAHAHA, true Poetic Justice!!