“And given the continuity in policy between administrations, why would anyone think that Sanders is going to depart from this warmongering agenda?”

Sanders is the candidate that represents a much starker break from the policies of previous Democratic presidents. Will everything change? Probably not. But acting like supporting Sanders is the same as supporting the status quo of American foreign policy is completely unfounded.

Supporting Hillary Clinton, on the other hand, is a loud endorsement for the way things have been run.