Their point (which may or may not be based on a misunderstanding of what you’re talking about) is that one of your options (“free will”) does not correspond to a possible set of the laws of physics—it’s self-contradictory.
People who live in reductionist universes cannot concretely envision non-reductionist universes. They can pronounce the syllables “non-reductionist” but they can’t imagine it.
Their point (which may or may not be based on a misunderstanding of what you’re talking about) is that one of your options (“free will”) does not correspond to a possible set of the laws of physics—it’s self-contradictory.
I think this is the relevant page. Key quote: