Actually, it's good that you banned him.
There's a history part of this mod that caused him to be banned.
Viewing post in Baldi's Fun New School Ultimate comments
Don't freak out at this but I'm TD7802_REMASTERED, DON'T DO ANYTHING PLEASE I DO NOT WANT ANY TROUBLE AND I DO NOT WANT TO CONTINUE THE WAR! I'm very sorry for being very mean to you guys and I promise I will never do that again, I was very dumb back then and I feel very terrible for acting like that. I sincerely apologize for my disgusting actions and I won't do it again.