Brave is also Chromium-based, so switching to that does nothing to promote a web without a Google engine monopoly. Of the three serious engine developers, Google (Chromium), Apple (WebKit), and Mozilla (Gecko), Mozilla is still the least worst option (and that’s saying a lot as this story makes evident once again). FF alternatives like LibreWolf rely in Mozilla Firefox development because they don’t do engine development. I hope the Servo revival turns that into a serious contender.
Seems you’re right: https://www.cnet.com/tech/services-and-software/new-funds-help-browser-maker-brave-try-ridding-the-web-of-nasty-ads/