Earlier quoted context omitted.
The majority of people who could use Linux exclusively (only need a browser, don't need Office compatibility, nothing fancy) buy a "just works" Windows laptop or tablet and I bet 99% of them don't even know what Linux is. Even then you get some weird cases like banking software not working on Linux and they ask you to install Windows again. And kids wants to play what their friends are playing, it's hard to break the…
I'm getting sick of this dichotomy. It's trivial to install both. Keep windows 10 on a partition big enough for your games/Netflix/etc., and use Debian/Archlinux/NixOS/whatever for everything else.
Also my laptop literally cannot have linux installed on it thanks to UEFI.