Mozilla does not have commercial bits. They do receive money from Google to be the default search engine, and the binaries they build report telemetry, but the versions found in Linux repos often either patch out the telemetry or disable it.
For technical users who are in the know, yes. I would not recommend Brave to less-technical friends and family knowing that they would surely be duped by some dark patterns in Brave's UI/UX.
Even Firefox, which is the best we have currently, surprises us a few times a year with questionable decisions. Still, it's what I recommend to people.