For everyone else who doesn't understand what this means, he's saying Apple wants you to be able to run models on their devices, just like you've been doing on nvidia cards for a while.
I think he's saying they want to make local AI a first class, default, capability, which is very unlike buying a $1k peripheral to enable it. At this point (though everyone seems to be working on it), other companies need to include a gaming GPU in every laptop, and tablet now (lol), to enable this.