Doesn't Brave block 3rd party cookies? What's the point of the banner? My cookie knowledge is entirely based on enterprise and small server-side web apps, but I

Doesn't Brave block 3rd party cookies? What's the point of the banner? My cookie knowledge is entirely based on enterprise and small server-side web apps, but I assumed that 3rd party cookies were evil and allowed facebook\facebag's of the world to track people covertly. And not every webapp is going to use JSON web tokens so the ability to use first-party tokens is sort of a requirement for auth and session management