[ozborn]

Data use agreements often specify under what terms the data is held and destroyed. While people may still remember some data, the usual use case is large databases that can't be memorized. If someone revokes that data, that data would need to be removed from the database and all associated downstream copies. Failure to comply would open the door to legal penalties, which is the real stick.

Imagine for example, if the US or UK governments took corporate misuse of personal health data (https://www.theverge.com/2019/6/27/18760935/google-medical-d...) as seriously as they currently takes video copyright violations by individuals....