For me, Thiel is a healthy reminder of the dangers of being a very smart person, who knows a lot about one thing and has been successful with that one thing, but then thinks that means you know a lot about everything.
I'm thinking of three things in particular: 1) his childish libertarian fantasy, 2) his surprisingly narrow worldview of education, and 3) his experience with Clarion Capital, where he went to NY and promptly got his ass handed to him.
So anyways, while most articles I see about him induce a bit of eye-rolling, he does remind me stay vigilant to seeking out blind spots in my own decision-making.