The science is fairly established and documented. It is a fact that scientist can tell up to 7 seconds in some instances you are going to make a choice and move before you are even aware of a conscious choice to do so.
On the contrary, this is a matter of considerable debate among neuroscientists. There's enormous difficulty in the interpretation of the measurements in these experiments. Stile was raising one such difficulty. Simply saying 'no, it's a fact' doesn't do much to address the difficulty.