2). I don't care what people's agenda is if they do not advocate focribly making others conform to it. Thiel does not, ergo his views are not concerning. If you want to be a follower of his, you can be; if not, dont.
If you think people expressing a view without violating someone else's rights is somehow wrong and must be fought, your position is not keeping with the spirit of free speech.
3). The article is advancing the traditional statist viewpoint that the people would be lost without wise overlords; otherwise they would not be advancing the argument that "OH his nonviolent views he isn't forcing on anyone are bad". Such ideas do not need to be fought by anyone, as the good ideas will win without coercion involved. If his ideas are bad, he will fail all by themseves. No need for a hatchet job, ever.