A little too freshman's first bit off a bong for me. There is, of course, substantial differences between video and reality. Let's steel-man — you mean 3D VR.

A little too freshman's first bit off a bong for me. There is, of course, substantial differences between video and reality. Let's steel-man — you mean 3D VR. Let's stipulate there's a headset today that renders 3D visually indistinguishable from reality. We're still short the other 4 senses Much like faith, there's always a way to sort of escape the traps here and say "can you PROVE this is base reality" The general technical argument against "brain in a vat being stimulated" would be the computation expense of doing such, but you can also write that off with the equivalent of foveated rendering but for all senses / entities