>the “accept all” button is often prominently displayed or highlighted so it’s the easiest to click
Yes, they try and optimize for as many people to accept.
>A previous employer of mine had multiple features under test at any time.
This isn't an issue as long as participation is chosen such as being in one group doesn't make you more likely to be in a group of another experiment.
>You also don’t think that a whole bunch of developers never thought of just removing all the stuff that wasn’t essential?
I think you are missing the point of what the law considers essential and what the business considers essential is different. If the definitions matched I do believe that developers would be removing the banner.
Yes, they try and optimize for as many people to accept.
>A previous employer of mine had multiple features under test at any time.
This isn't an issue as long as participation is chosen such as being in one group doesn't make you more likely to be in a group of another experiment.
>You also don’t think that a whole bunch of developers never thought of just removing all the stuff that wasn’t essential?
I think you are missing the point of what the law considers essential and what the business considers essential is different. If the definitions matched I do believe that developers would be removing the banner.