

Main reason would be “why not?” windows is also working great for most common use cases. Actually there is not much difference nowadays between OSes. Another reason would be specific software like Excel. Why would you switch your OS adlnd most of the software you use if you don’t gain much from it.
I’ve a Linux OS for coding, OSX for work and Windows for gaming. There are absolutely no problems with any of them. Windows worked great last 4 years, no virusesor performance issues without anti-virus or tweaking. Linux drivers needed work at the start but now there is no issues, Mac is similar. Only issue is when I try to code with Windows it feels annoying but it is mostly because I’m doing things with CLI where I should have used GUI.
I don’t use Brave as my main browser but I think some of the accusations are not fair.
That said Brave is still #1 Browser I’d recommend someone installing. If I can I’d install Firefox myself, but on the phone it is what I recommend. I don’t trust my uncle to install Firefox and install uBlock etc. on top of it. But I trust him to install Brave and use it.
Most privacy minded Browsers like Libre Wolf have restrictions, like not enabling WebRTC out of the box, meaning using Zoom, Meet etc is not possible. There are people who are forced to use such software and not able to tweak with config files. Some people think just because they can do it, everybody should be able to. I think it is a good choice to recommend to people, very good in place replacement for Chrome, you can even take your bookmarks and addons with you