Way to miss the point.

The point is his career took twelve years and it was considered a meteoric rise, incredibly fast. You want better candidates, start working for it and help them make their way through the system.

Who's your representative in your state house? Who was their primary opponent? Did you vote in that primary to try and get a more progressive candidate? Have you worked to get your local community to support more progressive candidates in small offices, so they can eventually become high level candidates?

There's a chance you can answer those questions and have done what you can, but the vast, vast majority of progressives seem to just complain that no perfect candidate has been delivered to them despite no effort on their part.