Written in short form and taken at face value, I can see why you may have this reaction to his writing. Read the sovereign individual, basically his thoughts in long form. Thiel even writes the pre-face to the book.
His main arguments are that politics divides, democracy favors the 51% at the expense of the 49%. He is for smaller government, less political divides, and the abandonment of the welfare state that creates a government dependent population with incredible waste. His ideas are not all that radical, considering debt spending by world governments is currently unsustainable.
People are largely irrational & bias. The thing about morality is everyone thinks they have the answers leading the government to be this odd form of paternalism where seemingly simple statements like "No drugs" are taken to this extreme that lead to more societal harm than good.