Did you read the link? There's actually a lot more evidence than that. "a reused command-and-control address—176.31.112[.]10—that was hard coded in a piece of

Did you read the link? There's actually a lot more evidence than that. "a reused command-and-control address—176.31.112[.]10—that was hard coded in a piece of malware found both in the German parliament as well as on the DNC’s servers. Russian military intelligence was identified by the German domestic security agency BfV as the actor responsible for the Bundestag breach. " Also, occam's razor.