Good response to compatibilism. This parallels a lot of the nihilist critique. We do not know how we think, so we just do things, and then conclude it was free will, ex post facto rationalization style. Nietzsche mentioned this in "On Truth and Lies in an Extra-Moral Sense."
It's the brain in a vat argument.
I looked at it for about five minutes and concluded that like Spinoza's Stone it was a useful teaching tool, but irrelevant since the results are the same.
If this is a simulation, I want it to be a good one.
This means the rules do not change: still consistent external stimulus, still arranging it for maximal adaptation and thriving, etc.