Earlier quoted context omitted.
Nothing is destroyed, only transformed. What was a physical book is now a digital book. It's a completely different story from "prior happenings", to which I assume you mean book burning and the like. Pretending they are the same is intellectually lazy.
Thank you for your reply and request for clarification. Yes destroying a book is in my opinion identical to a book burning. One day there will be no hard copies, the digital books are hence vulnerable to patches, whether its due to a new political movement or a sudo abled hamster running on a keyboard... and if that occurs information will be permanently lost. I would have thought a HN user understand well the import…
I'll admit I have less concern with (every) digital copy being altered and if we assume a future where all computing is completely locked down and governments have the ability to reach in a tweak anything then yes, we are screwed. But we are screwed if we allow that to happen even if some of us have squirreled away physical books. In that techno-hell (of completely locked down computing with no open options) then some of use will have "illegal" computers that still do what we want and I see that as no different than keeping physical copies.
Put simply: Preserving the original does not require a physical substrate (or at least one made of paper, obviously computers run on physical hardware).