If you look outside the US Bernie is actually a moderate. We're not talking about abolishing money or seizing the means of production. Just maybe, somewhere between minting a new trillionaire every year and pregnant women sleeping outside we can find a compromise.
Unlimited money for wars all over the planet, but if you lose your job and have a chronic illness you're screwed most of the time.
Sometimes your screwed even if you have a job and good health insurance. It's a magic game of musical chairs to see what's covered or not. What's out of pocket , etc.