> Reminds me of the "proof" the DNC was hacked by the Russian government was because guccifer email was... sent through a random Russian email relay???

Russian email relays had nothing to do with the attribution of the Guccifer 2.0 hacks. Separately, the identity of Guccifer is known because he confessed: https://en.m.wikipedia.org/wiki/Guccifer?wprov=sfla1