He clearly didn't know it was updated, IMO No warn is necessary. He is aware of it now and won't do it again.
Jusu, John, miss, and smol were all perm banned for something that was never a rule so this is invalid.
Exploiting is a rule
that's not exploiting, clearly you don't know many rules because you thought that listing a public birthday was doxxing. Exploiting falls under "using an unintended game mechanic or bug to gain an advantage" now please, tell me what kind of fucking advantage you receive from crashing alts.