Blacklisting tools need to resist the temptation to centralize their blacklists. Sometimes it is not done intentionally, but that makes it no less harmful to user privacy. Barring instances where it is infeasible to distribute such a list due to size, referenceing a list of blocked resources should be possible entirely within the end user’s device. As example of things done the wrong way see blacklisting DNS providers. I didn’t even know this was a thing until I stumbled across it while e...
