@DrewDad,
yes, they were moderated out - not that I know that but from what Robert has said and what has seemed to be true, I think it's been something like a decade effort by volunteers (presumably both schooled and talking with each other) to be temperate and also control what was site allowable to show up.
This was from me, starting to think on all this -
http://able2know.org/topic/206923-1
I surmise we have had a huge amount of protection.
We could become a primary porn site in a minute with a change of watch, and I appreciate the watch.