I would expect that most simulators who worried about computational capacity wouldn’t bother simulating to the depth of quantum physics anyway. However, I’m not entirely sure that I should use this sort of argument when talking about the local laws of “physics”. There is some sense, I think, in which the laws of physics around here are “supposed to be” MWI-like and that we should take them at face value.
I would expect that most simulators who worried about computational capacity wouldn’t bother simulating to the depth of quantum physics anyway. However, I’m not entirely sure that I should use this sort of argument when talking about the local laws of “physics”. There is some sense, I think, in which the laws of physics around here are “supposed to be” MWI-like and that we should take them at face value.