I don’t think downloading the titles is enough. While you and me may have enough space in a spare HDD for every movie we ever purchased, my parents certainly don’t have enough space on their iPads; and even then they wouldn’t be able to watch them in their living rooms. These digital storefronts should be forced to serve the movies they sell for streaming indefinitely so people like my parents have a way to watch the content they paid for with the same simplicity they had when they bought them

We're at the end stage of literally a century of corruption in the domain of Intellectual Property.

All that it takes is to look at how Copyright used to be 20 years, after which the works were in the Public Domain (in other words, for 20 years the public enforced an otherwise impossible right - as intellectual anything being property is not a natural thing - for somebody to have a monopoly on reproducing some intellectual creation and the quid pro quo was that after 20 years everybody had free access to it), and then over the 20th Century it kept getting extended and extended to the point that now in most countries is around 100 years after the death of the author, so in average copyright lasts about 125 years, so for example YOU WILL ALMOST NEVER be free until the day you die to access a musical work which you grew up with in your teens.

The whole thing was a massive corrupt landgrab, only the "land" wasn't actually physical but an artificial kind of property that would not exist otherwise, created by artificially restricting what the many could do, an which was continuously expanded by extending those restrictions to increase the breath of said "property", mainly for the benefit of a few.

This didn't just happen in Copyright, by the way, things like Business Method Patents are also another corrupt expansion of intellectual property, though those haven't spread outside the US quite as much as the "longer than a human being's lifetime" Copyright periods.