They'll have have access to all your store visits, what your family and friends look like and their store visits, what they buy. And a manager/tech company/security company who may or may not be poor/struggling and VC funding deprived/politically motivated will have at least all this a few clicks away for your lifetime.

Sure they have the right to this, and you can choose whether or not to shop with them if they do, but would you want them to without your consent?