That’s only by the new username, a search on the old one returns plenty of other ones too (I think this thread is the only one duplicated on those searches):
https://boards.straightdope.com/search?expanded=true&q=%40Damuri_Ajashi%20warning%20%20%23about-this-message-board
A couple of those are da talking about others’ warnings, but most are about their own (sometimes about multiple warnings, so it’s not a 1:1 thread:warning ratio), and follow exactly the same script as this one. Since 2010. Gotta admire the consistency there.