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I think Microsoft feels threatened at this point about Linux becoming more popular on PCs; what with hardware like the Steam Deck. Can't have Linux dominate the PC platform if you forcefully bind all hardware to the Windows ecosystem. Imagine if back in the day Microsoft used their dominance to block out all competing software on PCs but their own.
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I can see a dystopian future where Government can enforce code/file signing with technologies like this (DRM), so that you can never again have an open computing platform; you could only ever use code or view files approved by the State, and if you try to write code or create content, it won't work period unless it is first approved by the State. (such as with an AI scanning tool to detect and block "wrong-think" or "dangerous functionality" (i.e. dissent or otherwise that threatens the powers that be))