Because every website decides that it is fine to show the annoying popup even though they don't use the data they collect. I wonder if there is a way to give incentives to do it better for the user.

Many websites becomes huge apps for no reason, e-mails abuse HTML and are usually unreadable in plain/text, etc. It's not even clear to me if that makes those websites more successful or if it is just cargo cult ("we have to look modern like the others").

But users mostly don't give a shit and won't support those who e.g. don't track them and therefore don't show the cookie popup.

I don't see a way to solve this, though...