Earlier quoted context omitted.
Most old books that are rare and unpreserved are so because their value is marginal, so nobody has bothered to collect and preserve them. But where did you hear that they’re buying “all copies”? And to what end?
This is a classic mistake. We have no way of estimating the future value of a given book. It's perceived current value (a large part of which is simply obscurity) may be low. But it's future value - to historians, ethnographers, to researchers seeking a specific fact or example of language use or a hundred other things - is literally inestimable. To take a crude example in a different medium - new york in the 90s - w…
I honestly can't and I think you can't either or you would have used an example with books/printed media rather than film, an entirely different ballgame.