Apple has all the documentation needed to write drivers for all the custom hardware found in an iPhone (the original XNU-on-ARM device) or in an M1 Mac. The Asahi volunteers and Corellium don’t, they will need to do much more work, including reverse-engineering. So, what’s your point?

My point is that throwing up one's hands and saying "it's hopeless and it sucks!" literally the first day linux has been brought up on a new board is... premature.

Yes, it will have to be RE'd. Yes, that takes time.