Not all cookies are bad for the user, for instance the one that keeps you logged in or stores the session id. Those kind were never banned in the first place.

Blocking cookies locally doesn't allow you to easily discriminate between tracking and functional cookies. And even if the browser had a UI for accepting or rejecting each cookie, they're not named such that a normal user could figure out which are important for not breaking the website, and which are just for tracking purposes.

By passing a law that says "website providers must disambiguate" this situation can be improved.

Cookies that keep you logged in or maintain a session don’t need consent