Some people might want to get all the apple software off the apple hardware. For example the dossier that macOS builds on users and their family behind the scenes; currently on the front page of this website.[0]
Unfortunately it appears that Asahi has promised to not allow doing that[1] but perhaps it will enable someone else to make it possible.
[0] https://news.ycombinator.com/item?id=50403097
[1] https://asahilinux.org/docs/platform/security/#apples-unspok...