So wait.. let me get this straight: microsoft...

>implying any UEFI implementations fully comply with the spec

For x86 anyways, ARMshit was always cancer though, so nobody cares that almost all of them are locked mobile trash.

>changing
how

As someone that actually carries a bootable Debian USB drive, I've never encountered any computers in 5 years except Macbooks that have refused to boot my portable environment.