Update 1/16 - Adblock has informed BleepingComputer that its engineers fixed the problem and released ABP 3.22.1 and AB 5.17.1 on the Opera and Edge extension stores. The same versions are currently in review on the Mozilla and Chrome add-on stores, and should be made available soon.
Depends on why they were saying it was a scam. It’s functional as a browser, so not a scam on the most basic level. It hasn’t always been as privacy-supporting as it claims (somewhere between Chrome and Firefox if all are carefully configured, it seems). Brave also has a dubious crypto rewards scheme baked in.