I remember the days of tasteful ad banners on the internet. Those are long gone. Now everything has to be an obtrusive unskippable autoplay 30 second ad or cover half the screen.
It is not reasonable to browse the internet without an adblocker anymore, regardless of privacy concerns...
I don't speak for all Linux users, but it's not like we don't like the tech or the concept... We don't like it because a lot of the time it's just another way for Microsoft to throw around their weight, you need a valid key to sign your kernel images with to be able to boot another OS instead of Windows, and some motherboards don't support installing your own keys as trusted keys. But usually there are ways around that issue nowadays.
And also it's not an easy process if you're not an advanced user of sorts. You have to know what is entailed, what to use, where to store your keys safely, have a script to re-sign the kernel image every kernel update(which happens every week on something like Arch), etc.
Kernel level anticheat still can't stop cheaters? Time for boot partition anticheat, let it run before the kernel ;)
Hell, layer the whole OS on top of anticheat software just to play one game.