To defeat the state, we in the core of imperialism need to make U.S. hegemony too weakened for our ruling class to be able to use it to hold back revolution. And to cripple the beast by attacking it from within its heart, we need to take away the social base Washington depends on to be able to maintain its global war machine; that social base being the U.S. working class.
Yes, he is trying to remain able to draw in liberals to the far left. This is a far better strategy than focusing purely on far right people just because they like Russia at the moment.