> his understanding of the material is well below that of a first-year history student
Met plenty of history grad students in grad school. Well-read but intellectually very limited, and very herd-minded. But, then, I did not go to an Ivy with a tradition of excellence in the humanities.
> Second, there is nothing new about his positions
Of course there is, it's just the nutty cypherpunk stuff like crypto-locked nukes.
> As someone who studied both physics and history in grad school
You're a member of an extremely small class. He does not write for people like you. It makes no sense to write for people like you if power is the goal.
Marx's writing was childish beyond belief. He did not even know calculus. Yet, look at how much has been unleashed on his behalf.