Well, no. There exist other choices for politics, yet the only alternative to determinism in the mathematical sense is nondeterminism.

What is free will if not nondeterminism? Free will implies that an outcome of an event is not always strictly predictable. So events are either always strictly predictable, or they are not. But we already know the universe is not deterministic. The spin of an electron, for instance, is not predictable at all. It's nondeterministic.