> user data is traded like financial assets and the burgeoning trend is to recognize it as user property
This is a tortured method. We generally treat things as property when we want to facilitate its ability to be traded and leveraged. What is the advantage of the property route versus enumerated rights?
> Can the government not already purchase access to these databases?
Sure. But providing mandatory registration and a legally-required API sure makes it easier. (There is also zero chance those data don't wind up accessible by every small-town cap.)
This codifies a unified surveillance apparatus.