The cookie banners typically have an opt out. How is that not a privacy improvement?
What do you think most users click? The quickest and easiest option ("agree"/ "that's fine”) to get on with their day. That then makes consent explicit which is worse than the previous gray area
What do you think most users click? The quickest and easiest option ("agree"/ "that's fine”) to get on with their day. That then makes consent explicit which is worse than the previous gray area