Exactly. Print duplication (at least from the time of the OT) is analogue, so there is a generation loss each time a copy is made. Plus duplication is destructive to the source element, so a duplication is nearly always done 3+ versions away from the OCN if not more.
OCN > IP > IN > Release Print
Also less care is taken duplicating the release prints so they often have additional ‘weave’ not present in the earlier generations. It’s like photocopying a photocopy, rather than another print from the master file.