The obvious question in my mind is, is it? Jim is basically arguing that since the current theories of physics all point to a bunch of elementary particles & forces that makes up everything as well as the rules that govern their interaction, then science must be deterministic. That is, the rules govern how any two things would interact or three things or even more. Given a set of parameters, then the interaction will always be the same given the rules we have.
Now that is certainly an interesting thought. It would mean that no one is responsible for their actions and that science is no better than some religions out there given that a deterministic science would take away free will and therefore morality. I would think that what we see as the determinism in science is our lack of understanding of all the rules. We may have most of it but it’s always the little details that gets us. Quantum mechanics is well known for its wave functions that describes probabilities of events. It is perhaps these probabilities that does away with determinism. But who knows really? It does certainly raise an interesting topic for a Sunday morning though.