Earlier quoted context omitted.
With the referral program and integration with a cryptocurrency, anyone can shill for it. It's hard if not impossible to know if someone promoting Brave has a stake in BAT or not. Those that are showing Braves many problems ("badmouth") don't have a stake one way or the other except to warn people.
There is hardly a significant website out there with a higher concentration of Google and Microsoft employees than Hackernews, in light of which that's quite the baffling comment to make.
Neither consider Brave any real threat. Another commenter said "romantic view" - I think that applies here.