Seeing that half of my extensions (it was seriously like 10 of them) were going to be disabled is what pushed me to finally switch to Firefox because if I have to find alternatives to them it might as well be on another browser
I am one that switched. I have Linux Mint which I use 99.9% of the time, and a windows 10 laptop that I use 0.1% for that one windows program.
I think more people are wanting to get out of the grip that google, apple, and Microsoft have over them. Many are overwhelmed because they are in so deep. It took me months to get out, which I did about 6 years ago. I never looked back though.
I know people that want out, but are not strong enough to commit to switching all their services and apps.
The reason for this is because switching from Windows to Linux is a lot bigger change, requiring a fair amount of technical know-how, and even knowing that Linux exists in the first place. Swapping browsers is easy in the technical sense, it's breaking the habit that's the hard part, but if they piss people off enough all it takes is uninstalling it in order to break the habit, not a drastic paradigm shift. I'm a long time Chrome user, like over a decade and with the recent "unverified download" nonsense unless you enable their invasive tracking has put me over the edge. I had both the Chrome and Firefox icons pinned to the taskbar and just out of habit kept clicking it, I finally removed it last week
I'm not so sure about that. Windows despite its ads is still generally usable or at least readable, but adblockers affect almost every website, and in a much more extreme way, without which renders some websites virtually unusable. As someone else said, installing another browser is also far easier than taking backups, installing an entirely new OS, implementing your backups, and learning an entire new OS which may not readily support the software you have licensed from windows for most users.
Users care a lot about convenience. I expect that they weigh installing and learning linux etc as less convenient than the ads in windows which is why they would not switch, but I expect when it comes to this case, they would weigh installing a different browser with adblock as much more convenient than using the internet with ads on every single website.