Having worked in a similar field, providing historic documentation when it’s not necessary usually prolongs the process for the client. This is because the reviewer now has to sort through all these files to make sure new contradictory info isn’t lost in between.

Also, large firms will typically digitize directly into a document management system. It would be no more than 5-15 minutes at most for an experienced reviewer to flip through 500 PDF pages to find current supporting evidence of a medical disability.