it is one marker of success. being utterly and fervently in love with one's work is another, and this may or may not coincide with massive growth. dmor is correct that life is short; given that "making a dent in the universe" is kind of relative (see this excellent piece on our small ness: http://news.ycombinator.com/item?id=4674932) and some times more ego-driven than altruistic,
I see no shame in optimizing for happiness in one's lifetime. For some people this may simply mean a decent salary (which may not be an "average" goal for some people), but this was not how I read this piece. The OP appears to have found her own way to do something she loves, profitably and within a short amount of time. This is fantastic. VCs may not want to fund her, and it doesn't look like she wants them to. pg points out businesses like this in his growth essay with no judgment. I wouldn't pass them either.