Just about everyone I know who works on computers for a living
uses one Linux distro or another to diagnose problems with them. I do it myself, its the quickest way of finding out whether the hardware is broken or Windows has got its knickers in a twist.
One thing thats certain to happen, take your computer to a shop for repair and you will be charged for the extra time and effort it takes. Not to mention the hair-raising liability issues the shop faces, or the expense of keeping themselves certified, licensed and educated.
I'm just going to have to keep my fingers crossed UEFI and particularly Secure Boot annoys enough of the industry to kill it before it gets worse. Thankfully there will always be ARM, with RPi and dozens of 'micro pc' boards popping up it could well be irrelevant in a couple of years anyway.