His thesis is plainly barking mad - standard issue hate-speech yapping propaganda from the lunatic Right, but surely obvious nonsense among people who aren't clinically deranged.

I expect it will get some traction in the US, but the rest of the world will be too busy pointing and laughing to need to spend time deconstructing it.

Random House, meanwhile, will be laughing all the way to the bank. I doubt even they take it seriously.