Nooooooo.
Assange's personal opinions have absolutely no connection to the result of the election. I wonder what strange and convoluted point people are trying to make when they raise this? Possibly it's some attempt to suggest that because Assange's personal opinions are incorrect therefore the mountain of evidence dumped on the criminal Clinton is incorrect. Not so. The two things aren't related.
And vote rigging is a standard part of the US election, ever since the Bush gang started running and probably well before that. This time the Bush gang were working for Killary. The amusing aspect of this is the Repugs conducted their rigging operations on the basis Cruz would be running. But the stupid bastards ended up helping Trump