

All three browsers recommended are Chromium-based as well, so they’re dependent on Google and have to suffer from the Manifest v3 problem and the necessary manual intervention. Brave even is known for being maintained by a dick. Some of those recommendations are really bad.
Don’t get your second question though. The reasons for non-US should be obvious.
No, he’s part of the US oligarchy. Don’t criticize too much or you might happen to have sudden, unexplainable tech problems and legal trouble. /s