"This is because of the way an alternate OS is installed on Apple hardware - it's actually running on top of a low-level layer that prevents the OS from having

"This is because of the way an alternate OS is installed on Apple hardware - it's actually running on top of a low-level layer that prevents the OS from having proper access to the hardware." This is entirely inaccurate. Even using the BIOS CSM ("Boot Camp") gives you full access to the hardware, and people are moving away from that to native UEFI booting.