Earlier quoted context omitted.
What about worker coops? Not capitalist, but not necessarily driven by believing in a cause.
Or tenured professors in fields where they could get paid a lot better if they went private, yet they don't? That's basically a position that makes money go away as an immediate problem, and then the rest of the appeal is having one's hobby as one's job. Scientific freedom and intrinsic value.
And immediately allow that it's not the sole metric.