I think the fact that some process produced the image and showed it to you is a lot of evidence. Your theories need to be compatible with something intelligent deciding to produce the image and show it to you. Therefore you could in principle (although I think unlikely) arrive at GR from a render of a simulated apple, by considering universes that support intelligence where said intelligence would make an image of an apple.
I think the fact that some process produced the image and showed it to you is a lot of evidence. Your theories need to be compatible with something intelligent deciding to produce the image and show it to you. Therefore you could in principle (although I think unlikely) arrive at GR from a render of a simulated apple, by considering universes that support intelligence where said intelligence would make an image of an apple.