"Will this piss off or delight Microsoft?" is probably a thought that goes through the heads of many OEMs when they decide how to design their machines.
Weirdly Microsoft has been one of the companies ensuring Linux remains bootable on PCs.
Microsoft has been trying to tread a fine line between exerting subtle pressure on OEMs to make Linux annoying to boot so it doesnt become more popular and not violating the terms of its antitrust agreement.
Bill Gates famously asked: "Can we create a standard or expand something like ACPI, so Linux becomes unbootable on PCs?"