The “both parties are the same” line is a tried and true republican strategy to win elections.

Maybe the Democrats should stop proving that they're right then.

That’s why I always say the American left should focus on real change between presidential elections, but shut the fuck up when the candidate has been announced.

If you think Democrats are "left", you should probably learn a lot more about American politics before speaking on it.

The DNC is where leftist / progressive movements go to die. Leftists don't want unity with Democrats. Democrats are capitalist, Zionist dogs whose vision of the world is fundamentally contradictory to socialism, communism, anarchy, or whatever your preferred flavor of revolutionary thought is.