I was thinking the opposite way. Even being cut off, Windows users won’t convert to Linux. They’ll either buy a new computer, stay on an old version of Windows for years and years and keep re-installing it, or some other such.
There are work-arounds starting to be discovered, and even though Linux is much easier to install than any of the workarounds, the workarounds are what most people will choose.
I wish it were the reverse, this would be an easy way to hit Big Tech, but that’s what it is.
I will switch to linux and VM my win 7 for the programs I can only run on windows.
As more services take to “the cloud”, and as more services become inter-operative, Free & Open Source is becoming more powerful - not less so. It frees up the end-user to start using more Free & Open Source clients, which they own and control.