If your concern is that there is only one copy of a document in existence when a printer prints out a copy of a document, you don't have to worry about that, since that is false.
Actually, a printer prints out as many copies of a document as directed, and the default is usually one.
But no, that isn't my concern. My concern is that some people don't seem to understand the importance of keeping sensitive documents (especially ones that have supposedly been declassified but not redacted) properly secured.
Your concern seems to place you in the position of decider for how the documents should be handled. The President is the ultimate arbitrator, and is
basically the god of classification and declassification and document secrecy. If President Trump thought that the Whitehouse documents should have been stored at Mar-a-Lago at the end of his presidency, then that is therefore the appropriate place for them.
People were not taking nuclear weapons schematics to the Whitehouse. The President decided that the sensitive documentation and high level communication was appropriate to be at Mar-a-Lago, a building surrounded by secret service and hardened with security measures, which even contained a SCIF during Trump's presidency, classed for classified information.
https://en.wikipedia.org/wiki/Sensitive_compartmented_information_facility"When Donald Trump became president in 2017, a SCIF was set up at his Mar-a-Lago resort in Florida, which he referred to as his Winter White House. Trump (at the head of the table with various cabinet members, advisers, and staffers) is seen here monitoring the Syrian cruise missile attack from the Mar-a-Lago SCIF."
There is Trump at Mar-a-Lago in the middle of a military operation, in the Mar-a-Lago SCIF. The page describes some of the regulations a SCIF must adhere to for classified information.
If you thought Mar-a-Lago was just a resort, you were mistaken.