To the OP why quit? There is too much useful information available here to just turn it off do to a few that you may disagree with.
You are penalizing yourself by isolating yourself from the forum. Your adversaries will remain. Maybe take a break from it, or use the blocking feature if necessary.
Funny there are those I generally agree with. There are those I seldom agree with.
But at the end of it all I am usually enlightened and come away from it all with lots of useful information.
For better or worse getting opinions,ideas,viewpoints,questions and testimonials from a broad spectrum of knowledgeable RV'ers from various parts of the country is invaluable. Don't punish yourself for the questionable behavior or others by walking away.
Again take a break but don't permanently pull the plug. There are other RV forums but none of them quite compare to RV.net when it comes to size,volume of activity and the exchange of useful information.