Windows is bad for everyday use because it sends all your data to Microsoft, you need to get a cloud account and can get banned from your system at any moment, it can install changes at any time etc. So basically you get humiliated every time you use your computer.

Windows is good for work though because if it starts updating during the work day, or breaks, you can do nothing and still get paid. And if it leaks your company data, it is not your problem also.