Chromebooks have some weird things with their soundcard. Afaik there are missing drivers, and the ALSA headroom needs to be increased, not sure if more?
That script works on many mutable distros and places drivers in the right positions, changes configs etc.
I am on NixOS with the hope that this is possible to accomplish, but I dont know where to start. I need a way to move binaries to system directories, and change system configs that might not have a NixOS option.