Moral Dilemma

So I have an ex-friend, lets call him Zack, and we had a falling out with a combination of me slowly not wanting to be friends with him and me telling a mutual friend my negative thoughts on him. I have a lot of alt accounts on stuff like Insta and Tiktok and I go onto one of his accounts and I see he's followed by two accounts that are ADBL based (Adult Baby/Diaper Lover). Now I knew that he was an age regresser and that he owned a bottle but those accounts following him seem more kink like than coping like. My view on him was already not bad but now its genuinely irreparable...