[yjftsjthsd-h]

So... humor me... let's say that this is exactly true, and Brave adds or replaces referral codes. Is that a privacy problem? The only information that the website gets is that you're using Brave, but not where you got the link. We can absolutely talk about the ethics of the thing or such, but I can't see why privacy conscious people would care.

[iLoveOncall]

No, it's a security problem, which is much worse.

[yjftsjthsd-h]

Okay, then what's the security problem? What attacker does it enable, and what does it let them do?

[iLoveOncall]

The security problem is your very browser is performing man-in-the-middle attacks on you???