Yes, and some might even earn on it but, they don't earn publicly. It creates a different dynamic in a culture that says "don't talk about earnings"
Quora pays only a few of those who ask questions and no one who only answers them.
I think the culture of conspicuous earnings should be reconsidered if this place is to become more novice friendly. Never underestimate the power of envy.
I think this is a topic that is often avoided here. "You're just jealous" is likely one of the big issues between accounts as people compare rewards and perhaps content for current posts, but not the history and consistency.