Controversial opinion is okay, but repetitive constant trolling is indicative of one of two things: mental illness, or paid trolling. MP69 is very likely a pro troll here to waste people's time, consume resources, and lower the quality of discourse. Of course he will be back, but his language styles will give him away. AI is able to detect and track patterns, and in future AI will be able to develop signatures that can be used to autodetect likelihood of returned trolls.