I've also been analyzing the psychological aspects of Steemit. I've found that, those you've identified in that creative flow, are mostly those which have discovered the fresh outlet for their age old content.
One of the main principles driving this, is the mass-migration of people ideologically and philosophically have been seeking a system which aligns with their value system. Considering the spirit of the Blockchain technologies was mostly picked up by people with grievances of the current financial and power system, Steemit has answered a lot of problems that prevented a lot of personalities from diving in with Bitcoin. The spirit of anarchism is very lively on this platform, and it may be the first platform which may be gladly branded by those who grasp its disruptive capability.
Yeah, I saw the anarchist movement rising in the last week. It was awakened by the new members, the ones with a powerful speech and history behind them.