Okay, and is your argument that we find and hold against their retrospective because there is some, at least plausible basis should so argument, to say that there can be a causal connection between the retrospective extension and some benefit that can be traced to those particular works through the retrospective extension, like dissemination? Is that your argument?

Based on that paragraph can we conclude that this sentence is true?
The speaker is trying to clarify someone else's position. 
Yes