Really? All it took for me was to format `/dev/mmcblkp1` to use Fedora 38 exclusively.
At least it was possible to hack the devices, but no such bullshit is ever necessary on any regular laptop.
Opening the laptop would not void any warranty in the EU, or US.
That is FUD. Manufacturers can not prevent people from "opening their devices" with threats of voiding warranty, and even putting the stickers that say that are illegal for which the FTC sent a latter to many manufacturers including Apple to tell them to knock that off.