Listening to the podcast now, and the origin story of the kickstarter sort of makes it sound like Inafune formulated the game specifically for kickstarter? "Spiritual successors usually do well on kickstarter, okay here's a megaman spiritual successor."
Not to say Mighy No. 9 wasn't in some way an idea spinning around in his head already in some form or another and he just spat it out on the spot. But it's interesting that people may be beginning to engineer a proven repeatable business model around kickstarter.