During primaries for the 2016 US presidential election, news media polls consistently showed that Bernie had a better chance of beating the Orange Menace than Clinton;
https://yewtu.be/watch?v=ggFitmOTSok
Yet US liberals who backed Clinton were surprised when she lost, and blamed everyone but themselves for the Orange Presidency.
This is what US liberals do. They shill for establishment candidates on the "left" ticket, then complain when they're easily beaten by anti-establishment LARPing on the right.