This is all name magic. Anyone can call reality a simulation. Computation is substrate independent, so there is literally no difference, functionally, between a

This is all name magic. Anyone can call reality a simulation. Computation is substrate independent, so there is literally no difference, functionally, between a Turing machine made of sticks and one made of bits. My VMWare-based Windows doesn’t worry about whether it is running on “real” hardware. It’s like when people ask “what was before the beginning?” The answer is something that can’t possibly matter; can’t be settled and wouldn’t matter if it were settled.