Only if they're flamebaity, I believe. Like, saying stuff like "Birthslay" or "Tonight I'm Getting Over Jesus" are fine, but stuff like "I Will Never Have a Hit Outside of the UK" or "Trash Goodbye" are not.
I don't think I've ever reported him that I know of but he really trolls too much. It was bound to happen, messy posts like that in our base was not needed.