I can believe that this is a case of the Software Engineering team being effective in a way that the AI/ML team wasn't. Apple's internal culture is notoriously closed and secretive, not the best way to approach cutting-edge AI research, especially when it wasn't their core competency in the first place.
But mainly I wanted to share that video because Craig Federighi calling the AI/ML team "AI/MLess" is one heck of a burn