That's not how this works though. The banners usually don't provide you with an all-or-nothing approach. Choice is usually between reject everything *except es

That's not how this works though. The banners usually don't provide you with an all-or-nothing approach. Choice is usually between reject everything *except essential*, accept everything, or something in between. That means the analysis for point 1 has been made. They know exactly which cookies need consent.