But finding ways to fail quickly, to invest less emotion and less time in any particular idea or prototype or piece of work, is a consistent feature of the work methods of successful creators.
In particular it was interesting that they start with storyboards, not with scripts. Only after iterating through tens of thousands of storyboard pages do they begin script writing. Those constantly change as well.
This process of moving from suck to non-suck continues to the very last stage of production. Constantly iterating, perfecting, and listening to feedback. Internally motivated, heathy perfectionism.