1 - YMMV, as I mentioned
2- as a consequence, popular distros like Ubuntu and Fedora too. I expect other GUI’s and therefore distros to follow
3- Didn’t mean to imply they don’t, what I meant is that they have issues and will make users jump to other ships.
4, 5 and 6, Lutris and later Steam itself when I was running out of ideas, and yes it does run on Linux as long you can figure out the correct proton/wine version or buy the game from Steam. Point here was that gaming on Linux can be convenient or very annoying, depending on the games you want to play. YMMV
As a piece of software, nothing. It’s an open source browser, and has an added bonus of having many privacy settings on by default. Not even firefox can say the same, it comes with telemetry, pocket and whatnot out of the box.
But there are some fair criticisms about the company and its administration. For example, there was an incident years ago when you signed on a crypto exchange, it would swap the sign on link for their own referral link. They claimed this was an error and quickly patched it, but I don’t buy it.
You’ll quickly notice that a lot of people on lemmy passionately hate brave. So expect a strong bias and, as a result, truths but overblown, half truths and misinformation. Don’t ignore what they say but double check them.