Data is a part of a person’s individual self. Storing such data on another person is owning a part of their person. It is slavery for exploitation, manipulation, and it is wrong.

This distinction is the difference between a new age of feudalism with all of the same abuses that happened in the last one, or a future with citizens and democracy.

Never trust anyone with a part of yourself. Trust, no matter how well initially intentioned, always leads to abuse of power.