Letting the users decide is a sure way to lose the plot on data. There are always users that will want to give away their data and so services won’t have any in

Letting the users decide is a sure way to lose the plot on data. There are always users that will want to give away their data and so services won’t have any incentive to build services that preserve privacy or attempt to reduce user data consumption. I would much rather be strict and let them not get any new data beyond what is already lost