@scottjenson @Danc @edk Their writing alludes to the responsibility of designers to foster capability growth instead of only aiming for the lowest common denominator, but stops short of making process suggestions.
I brought up the parallels to game design to Kindsmüller then. Somewhere I've got slides connecting the Mohs et al. IUUI model to @Danc's layers of mastery (https://lostgarden.home.blog/2007/02/04/one-billion-buttons-please-should-we-build-features-for-experts-or-newbies/). But he mostly waved me off. The guy never could find any room for games in his conception of design. 😄