I’d be willing to bet a massive amount of money that most pirated media is less than a few years old.
I don’t believe that we as a society are ever going to decide that copyright protection should be less than that.
A society where we have open, legal access to all the cultural pieces of the last century is very different from our own. And it seems difficult to know how it would affect both the consumption, but also the creation of media.
Sometimes, when I argue about this IRL, I'm told that we are practically there because of piracy. But this is a debate of tech enthusiasts, we know how to download, we now how not to get caught. The majority does not