As far as I know, there wasn't ever any law mandating banners for any and all cookies, it was for (frankly poorly defined, GDPR somewhat fixed that) non-necessa

As far as I know, there wasn't ever any law mandating banners for any and all cookies, it was for (frankly poorly defined, GDPR somewhat fixed that) non-necessary cookies. But nobody's going to put "Do you want to be tracked? Y/N" banners on their site.