You should care. Whichever one provides deeper insight leading to greater understanding should take precedence. The fundamental difference between knowing that

You should care. Whichever one provides deeper insight leading to greater understanding should take precedence. The fundamental difference between knowing that electrons do the moving and knowing whether the universe is a simulation or a universe is that there haven't been testable predictions (yet) using the simulation hypothesis. That is why it is a moot question (so far).