This is how I feel about Jeremy Corbyn in the UK and his stupidly named political party that will go nowhere.

Obstensively he is fairly radically left wing, he's just not radically in favour of actually doing anything. Basically he sits on the sidelines and mutters about genocide being bad (hot take I know) but otherwise just sits there. The only reason he's considered a threat is because his party might actually take votes away from labour but if he won an election nothing would change.

Short of an actual uprising against the corporate elite nothing is going to improve. You can certainly not rely on politicians to be your saviours. That's true globally not just in the US in the UK.