The problem with Windows is that it is not build to be parametrised. Anyone a bit tech-savy will be frustrated by the inability to tune it effectively for their need.
The problem with Linux is that it is not tech-normie friendly. Sure it has distribution easy to use and pre-parametrised so anyone with basic computer skill can use it. But people with basic computer skill don’t have computers with Linux. Anyone who just want to use a computer has to first learn how to install an OS.
You should have the end of my comment with more attention. That’s not my point you counter here.