Earlier quoted context omitted.
How many how to videos, memes, concerts, etc, are really that important? In fifty years how many people will care? How many people should care because it would mean ignoring the huge volume of newer stuff? A hundred years? Two hundred? I haven't even read or seen many of the existing cultural artifacts we have from past decades and centuries, what would I do if orders of magnitudes more of them had been preserved? In…
If you grew up before the internet, surely you remember all the DIY manuals that lived in everyone's home. Everyone had that same big hardbound book of how to do basic home repairs. Many people had sewing books, electrical books, Chilton manuals for their cars. Cookbooks, too. We have valued how-to information for decades, and that interest and need far pre-dates the internet. So while I get what you are saying that…
And the same will be true of old vs contemporary sources in fifty years.
I don't expect my own collection of books - which includes some that are valuable to me primarily for nostalgia - to have much value past the death of myself and the rest of my generation. It might temporarily have a lot of monetary value near my death - when other copies have already been lost - but to someone born fifty years after me? What use would pulp fiction from the 80s be to many of them?
My parents and uncles are in a bit of disbelief of how little even I care about the Beatles already, after all.