Having worked at multiple companies and talked to multiple legal teams about this, they tend to be very conservative. So the guidance I've gotten is that if we store any information at all on the person's computer, even to know whether they've visited the site before, we still need a cookie banner.
Basically, the law created enough fear among the lawyers that software developers are being advised to include the cookie banner in cases where it isn't strictly needed.
Basically, the law created enough fear among the lawyers that software developers are being advised to include the cookie banner in cases where it isn't strictly needed.