Even the minor browsers, pretending to not be funded by ads at this point (while the VC capital is drying up) depend on one of the 3 browser engines, all of which are funded by ads.
Safari? Unless you're going to say that Apple gets the money for Safari through ads which, y'know, technically correct but disingenuous in this context, surely.
Not the person you're replying to and neither do I fully agree with them, but brave haa had issues with their crypto (BAT) system. Nothing that appears purposely malicious but quite possibly misleading in some cases.