It's a weird article, so I can sort of see how people are hopefully twisting it, but the strange thing, as I see it that is really confusing people (and which isn't made clear till the end of the article is this:
The documents that were made public that the proliferation experts are upset about were Iraqi reports MADE AT THE REQUEST OF IAEA INSPECTORS about their pre-1991 nuclear program.
It SEEMS that what was "captured" was the Iraqi copies of these reports they had given to the IAEA (of which the details and technical diagrams they didn't make public themselves) and then these were what was posted on the internet.
And just like the mustard and nerve gas he had, the Left will say this was okay; they'll say we all knew this; they'll say it's just old news that Saddam had these things. They'll ignore the fact that he wasn't to have them anymore.
Let's just accept your premise. Okay, so you concede that Saddam maintained details and technical diagrams of his nuke program. And, the NYT is saying that if posted on the internet, these details and diagrams could enable Iran to build nukes. But in Saddam's hands they were no threat? Like he didn't have a freakin' copy machine? He couldn't sell them to Al Qaeda or Iran or North Korea? Or decide to go ahead and build them himself? The very fact that the IAEA (and the NYT) is in such a huff about these documents shows that Saddam had something very dangerous, just like Bush always said. This pops the "no WMD" balloon once and for all.
"It SEEMS that what was "captured" was the Iraqi copies of these reports they had given to the IAEA (of which the details and technical diagrams they didn't make public themselves) and then these were what was posted on the internet."
IMHO, that is only a subset of what they got.
I know there were thousands of pages from Saddam's nuke program that the inspectors never knew existed, but which were found in Baghdad (this was around June 2003). This set was probably in the data dump, and it would make sense that internal technical docs would be more 'sensitive' than reports to IAEA.