a Dell would have the same problems. or an HP, or a Compaq. or a home-built that also had a non-compatible EFI/BIOS/firmware/whatever.
I like apple stuff but will be the first to admit they fuck up here and there. This is not the case, this is whiney users assuming they could just drop something in and have it work, mac or not, that isn’t always the case when upgrading HARDWARE.