Yes, it?s a succinct statement of disagreement.
No it is not. Scuton's claim is that it is futile to try to reason someone out of something that was not reasoned into. That is just plain wrong with some of the ways that some get into a thing, most obvious when its just accepted because its your parent's position. It isnt futile to reason someone out of that.
No he is not.
He isnt even of the Left.
That isnt even a challenge to his world view.