Problem with their logic is that, as stated in the article, goods such as preserved books are already used for recreation. Your idea that a catalogue of old media would prevent consumption of new media is provably false by example. People read old books and it doesn’t stop them from reading new ones. Can you imagine saying this exact same thing about music? People’s tastes change over time and they like new things- old things don’t stop us from consuming the new things. All the copyright lobbyists are doing is preventing the public from enjoying old games that can no longer be played because the hardware is dated or there are no viable copies left.
“I’ve never seen it therefore it must not have happened”. I can’t imagine how you’re a parent while thinking human experience revolves around you.