Asbury the Tyrant?

I remember a conversation with my father before I began this class: "remember: Asbury was a tyrant" he said. Certainly, Asbury seems concerned with power and structure, but I find little to back up this sentiment beyond that. The emphasis on structure does not necessarily mean he was exerting his influence for his own ends, and the way the Methodist church was being structured seems similar to how the UMC is today. So I was wondering: where does this image of Asbury as tyrant originate, does it have legs, and what benefits and deficits would this have on the fledgling Methodist church?