Yeah, i had a friend with an alt named "Bussy Magic". The character existed for months, seemingly no issue. Then one night he got drunk, and was annoyingly spamming emotes in a crowd. Next time he logged in, he was in gaol and when the GM showed up he was informed that he was reported and needed to change his name. Was it the name that offended someone, or did he just piss off the wrong person via emote and they got petty? Regardless, the way the interaction was handled gave me the impression that GMs cant actually change your name. They can just force you to do it. And if you dont log in, then they cant force you to do a thing.