I know he didn't come up with this idea independently. I haven't paid enough attention to know precisely who it came from, but given his reading and listening habits, I'd expect the names to be found on a list of contributors to National Review and the list of top talk radio hosts.

You seem awfully defensive about this, given that I said nothing that indicates you are a member, or indeed that anyone in particular is a member until you asked. Are you that uncomfortable with the idea that there are crazy people in the world who hold some opinions similar to your own? That's true of all of us.