I think what OP is saying that, yes, the cookie abuse should go for sure (I’m actually privvy of the “Legitimate interest” options.)
But that if websites want to track you, then they have to be transparent about it - hence the banners. Wanna track me? Ask me for permission. Is it annoying? Tough luck! Are you losing users because of it? Well, boo-hoo! Remove the tracking and there you go. No banner. Everyone happy.