Sadly, that's too simplistic for me and therefore since I don't buy into his framework, his entire 'duality' notion falls apart for me.
In order to buy into Colligan's framework, I would have to believe that the third type of podcaster doesn't exist: the podcaster who loves what he does and is fortunate enough to get paid for it. Strangely, he later refers to this type of podcaster when comparing them to chefs. Maybe it's the 3:26am talking.
However, notwithstanding that little framework problem, Colligan's article stirs some thoughts about who's out there and why they do what they're doing.