Bernie's message spread organically because positive messaging is actually preferred by non-bot persons. They use click farms and false context to keep changing our focus but our lives aren't a series of unconnected elections and policies.
Mayor Pete is a fucking McKinsey and no one who has ever come in contact with them can be trusted. His campaign advisor (Halle) and his wife (McGowan) used a fraudulent app and fake results and press manipulation to steal two primaries from Bernie.
Saying "they're all crooks and everything is bullshit" is easy but if we talk more in depth about the actual mechanisms, we can actually win or at least make cheating us a lot more expensive and that helps us next time.
We're not acting right now, we're acting for the rest of our lives and lets go out of our way to vilify these 3 villains for the rest of their lives or they'll just keep gaining power.