I once reported explicit pornography that posted on an electronics group I belonged to and the response I got from the system was that it was deemed not inappropriate and no action would be taken.
I don't know what good reporting does for anything...
I reported a comment thread discussing which ethnicities needed to be put in camps, and got the same thing about it somehow not being against the community standards.
I did catch a 30 day ban for saying that 'men are trash; I'm going back to dating women' though.
I don't know what good reporting does for anything...