I'm a die hard Bernie guy, and I care WAY more about domestic economic Justice than interventionist wars, but I recognize that no other candidate, in fact no other politician, is going to put "stop killing people just to benefit the military-industrial complex" as their primary message. it probably won't crack the top three for most of the other candidates.
I happen to think what she's saying is important, and I think people should keep hearing it. If her supporters are willing to throw their money into that she should keep it up. She doesn't owe Bernie a damn thing, and she walked away from the DNC just to support him in 2016, so as a Bernie supporter she's good my book.