And this isn't just an assumption. I know a few of these people in real life and that's how they think.
Personally, I think it would be a better move to just ignore this completely.
It doesn't matter if conspiracy theorists get upset, many of them were convinced that there was a child sex dungeon in a pizza shop. If everybody started basing their actions on trying not to upset conspiracy theorists, society would completely stop functioning.
If this riles up conspiracy theorists, Butowsky and friends should simply be made to pay for further shielding for Rich's family. It's not the Rich's fault this conspiracy theory spread like wildfire.
If you're going to tattle, you have to be smart about how you go about it.
For example, their lawyer could avoid unneeded attention by not pushing for motions that generate national news headlines and fire up the conspiracy theorists.
You can't win with conspiracy theorists.