This is twisted. Noone has to develop cookie consent windows. If you do, you are most likely the one being unethical.
All cookie-banners are an active choice by site operators.
All cookie-banners are an active choice by site operators.
Cookie banners on page load are not necessary for consent. The user can provide consent at the point of enabling the feature or setting. Of course, non-exempt cookies can not be stored until consent has been obtained.