Advocating blowing up your son is certainly over the line. Assuring, to the best of your ability, he is a Christian is indeed called for and entirely Scriptural. God holds us accountable for our actions regarding our children. But, it is YOUR business how you proceed. If that was the event of a few months ago, I left a while over it, I believe, since JS made the unilateral decision to not post all posts. Sic Semper Tyrannis!
You make a good point -- Rich provides a distinct point of view. It is entertaining to see it displayed. Plus, there are gems in what he says - sometimes. You just need to analyze what he says and not particularly how it says it. It is too easy to simply dismiss what is said without analyzing it.
Plus, as Plane has indicated over and over, we need a diverse range of views here.