That’s not actually true.
The April 24, 2023, letter from Timothy Parlatore, John Rowley, James Trusty, and Lindsey Halligan to House Permanent Selection Committee on Intelligence Chairman Mike Turner incorrectly states that the National Archives and Records Administration (NARA) “declined to provide archival assistance...
www.archives.gov
But even if it were, you’re supposing Trump didn’t intend to take the documents and his own statements indicate he thought he had every right to do so. That, plus his decision to do it himself, without even getting help from his own staff, make your supposition look very unlikely.