This framing of the banners as cookie banners is a dodge. It's not about cookies.
The cookie banner isn't about the usage of cookies, it's about _the underlying tracking_. You're allowed to "just" use cookies for normal shit! You can make a website where you use cookies to store login state for a user, without a single banner.
The thing is that every company in the world feels the need to add 1000 tracking cookies to anonymous users to track them through conversion funnels (on top of the ad stuff). That's what you have to inform people about
You can use cookies normally without a banner! You can't track without consent! Every cookie banner is actually a "we want to track you" banner. Calling it a cookie banner is playing into the confusion about what those banners actually are meant to communicate