I am generally not in favor of adding regulation, but this is a place where I would support it. Anything that you BUY needs to be your property. This means you must have the ability to: 1. Transfer ownership of it (either temporarily as a loan or permanently as a sale). Digital-only doesn't preclude this: the store can have a "transfer" functionality. 2. (Within reason) use it at your discretion at any point after th…
This is why things really need to be DRM free from the start, and portable (have the ability to back them up, move them, etc). It’s the only way to ensure they can’t pull that kind of stuff.