If You Have To Stream It You Don't Own It
If you have to stream it you don't own it, regardless of how much you paid for it. The streaming content you purchased can be replaced or removed at anytime. Physical media is still the way to go for content you care about.
I purchased some training last year that I planned to review in the new year. When I tried to review the training on New Year's Day I found out my training had "expired" despite never having taken it. I was then presented the option with purchasing the "new, updated" training (which was, of course, much more expensive).
Lesson learned the hard way - if your media isn't physical you don't own it.