people who have nothing to hide? I always click on Allow optional tracking to better serve software, its a way of giving back.
I think most people opting out of tracking is because they feel manipulated. Isn't it the ultimate reason of marketing after all?
There are no such people. Rather, there are only people who don't realize they have things to hide.
;)
But people around you may. Nad their information can be as easily gleaned from yours.
These companies aren't charities.