The Westminister Confession (a popular Calvinistic confession) states:
I. God has endued the will of man with that natural liberty, that is neither forced, nor, by any absolute necessity of nature, determined good, or evil. (link)
Yet Fisher invites us to imaging a world in which causal determinism is true:
"even if he were to wake up to the headline, "Causal Determinism is True!" (and he were convinced of its truth). Nor need the compatibilist give up any of his basic metaphysical views — apparently apriori metaphysical truths that support his views about free will — simply because the theoretical physicists have established that the relevant probabilities are 100 percent rather than 99 percent. Wouldn't it be bizarre to give up a principle such as that the past is fixed and out of our control or that logical truths are fixed and out of our control, simply because one has been convinced that the probabilities in question are 100 percent rather than 99 percent. A compatibilist need not "flipflop" in this weird and unappealing way." (link)
Science is not going to discover that materialism or naturalism is true - man has an immaterial soul which includes our will. While Calvinists may in some sense 'baptize' Fisher's arguments (including ones that LFW makes choices appear random), they cannot really be accepted 'as is' without modification.