Why yes. Yes it would. It would also be WORTH EVERY GOD DAMNED PENNY.
Seriously how awesome would it be to be like "I have every movie ever. Oh you want to watch that? I dunno, only 6 people have even heard of it so it might not be OH HERE IT IS."
First, why stop at the last 50 years.
Second, does that mean you also SEED every torrent that's uploaded??