The difference is in ownership lmao. You can borrow something as long as you like, it doesn’t make it yours.
Discussion
But what does that mean. It's not just a word. Ownership is about having exclusive control over something. The difference between the CD and the Netflix movie is the exclusive control (no monthly subscription). In my opinion, the same is true for a house.
If that's a trade-off you're comfortable with that's fine, and if you want to call it ownership that's cool too. It's your right. That's just not my perspective.
To understand why I could be wrong you have to steal-man why I might be right.