We are so far from cornering the market or even taking Chrome’s share that this seems like misdirection. Anyway, of course a monopoly or big enough company can go wrong, but Brave is built on ideas from https://brendaneich.com/2014/01/trust-but-verify/ and if future Brave ever went bad, I’d join many others in taking it down. It helps greatly, beyond the properties discussed in that blog post, that we don’t track, silo, or process any user data in the clear. Privacy by default must use client processing more, along with advanced cryptography, to blind and weaken the natural path dependent advantages of servers.