Brave do shady stuff to get money like change your URL to include a referral code for them, that’s not ethical as the “AI training models” they do with their search engine, I don’t trust them. All what you get with Brave you can do the same with Firefox. If you want to browse Tor on Firefox I recommend you using Firefox containers + github.com/bekh6ex/firefox-container-proxy and one container names Tor and proxy it to your Tor socket (should be localhost:9050) and done.