Sounds Cankles using a cloth to wipe her computer.
OTOH, if the records were good enough for executive management to order their destruction, Haney knew they were of significant value in their original appearance; not so much so in short hand or freshly typed. To say nothing of Haney being in a hurry with the process.
I don’t think he was in a hurry. If you watch the full video from 2016, you see that he was a meticulous nerd and is proud of it.
He also explains how he traced the networks, doing just what intelligence was told to do after 9/11, being an entomologist before he was DHS. Fascinating stuff. Obama and Holder destroyed it all. Unless he kept written notes.