Also, note, @Xander, @user21820, @rschwieb, @RRL, @Bill, in addition to the link to a revealing question with comments, the same user also answered
here. I have flagged for moderator attention, and sent out an alert in a chat with details. It is very very likely this account will be deleted. They go through usernames like it's toilet paper, always changing it up when they re-create another account.