And slows boot down by a couple of seconds. As long as the firmware sets a native mode, modern OSes can just inherit that rather than performing a modeset and we just ignore the entire problem anyway.
This summer I went into an apple store, and there was this 2019 Intel Mac Pro tower hooked up to the shiny 6k XDR display. I brought up the System Settings, and set the resolution one notch towards "More Space". It faded to black and never came back.