It will be the same reason you updated windows years ago: some driver or piece of software will only work in windows 11, and you will be forced to switch.

I have two machines: windows for gaming and work, Linux for everything else. My Linux machine is wonderful, sometimes even for gaming, but my windows machine won’t stop doing web searches via bing when I try to use the search bar, and won’t stop trying to swap my browser, and keeps reverting my privacy settings