I suspect that's right. They look more like deliberate defacement attempts than actual spam/phishing behavior.Probably a parting gift from one of the recently banned sock puppets.
Don't you dare speak against us.I wonder if the source is Canadian - a surprising proportion of the colleges and universities in the "thread" titles are in Canada.

(Dungeons & Dragons)
Rulebook featuring "high magic" options, including a host of new spells.