You can find plenty of critiques of the left that don’t come from grifters and idiots.
I think Shapiro is really good at framing valid arguments as sound ones.
It's really that he has arguments that sound good given the premises, but he constantly slides some obscure or insanely biased premise in there and just hopes you won't notice.
John Eastman is a Founding Director and current board member of the Claremont Institute.