There is nothing in dropbox's message suggesting he cannot upload or access archival copies. It says they got a dmca notice so they disabled sharing on some of

There is nothing in dropbox's message suggesting he cannot upload or access archival copies. It says they got a dmca notice so they disabled sharing on some of them. This is either a bug on dropbox where the message shows to anyone having some flagged file(s), or he was sharing copyrighted content and conveniently emptied the folder before taking the screen capture to paint dropbox in a worse light.