Blatantly missing is an explanation of WHY the other 13 agencies did NOT agree, and what their assessment was.
Inquiring minds want to know!
First, DNI is not a producer of intelligence work-product, so whatever the DNI came up with is irrelevant, and is probably nothing more than a summary/concurrence of materials produced by other agencies.
Second, although the FBI is a producer of domestic intelligence products, it did not produce any in this case because the FBI was never permitted to do a forensic examination of the servers, nor did it ever really interview anyone connected with the alleged "incidents" in a serious way. Since the FBI does not do overseas work, that means the entirety of this story came from the CIA and/or the NSA.
That's it.
No other US intel agency produced any intelligence, did any analysis, or came to any conclusions with respect to this alleged "hacking."
Just two.
And we know from WikiLeaks that the CIA can and routinely does plant materials camouflaged as "Russian."
None of the other agencies tasked with various extremely specific types of intel gathering ever found, analyzed, or reviewed the work of the the Big Two. That was a lie from the very beginning.