It's not quite the same thing since the same cookie used for login (doesn't require consent) could be used for tracking (requires consent). But also, basically nobody cares.

"Cookie banner" is a colloquial name; not a technically accurate description of what the banners are for.

GDPR is not about cookies; it is about tracking. Whether the tracking is done through cookies or through other means makes absolutely no difference.

You can prevent some tracking via your browser, but definitely not all of it.

This has nothing to do with cookies, and everything with pervasive and evasive tracking.

E.g. storing your precise geolocation for 12 years: https://x.com/dmitriid/status/1817122117093056541