But as other people have said, some software only works on other systems.
For most of the general tasks that people have traditionally used computers for, it seems that most people nowadays generally just use their phone. Usually when anyone decides to use an actual computer for something, it's because they have a task that requires them to use some specific piece of software, and that software is unfortunately often only available on Windows/macOS.
I imagine unless you're self employed, you are probably given a machine to work on with a predefined operating system picked by your employer.
And it's all managed by the IT department. I use Linux on all my personal devices, but on my work computer, I don't deal with ads, bloatware, or most other things that people complain about Windows because IT took care of that already through group policy and whatnot.
That's the biggest issue I can think of. You can only water so many plants, chop so many trees, and pick so many rocks in the mine before you run out of stamina. I've had plenty of times where I would go to bed at 2 PM because there was nothing else for me to do. Having eight characters means 8x the stamina, so you can do 8x more work per day. But even for the things that do not require stamina, there are only so many items for forage, so many villagers to talk to, etc.
For most of the general tasks that people have traditionally used computers for, it seems that most people nowadays generally just use their phone. Usually when anyone decides to use an actual computer for something, it's because they have a task that requires them to use some specific piece of software, and that software is unfortunately often only available on Windows/macOS.