alt Hacker NewsNo RAM, no profits. Apple has vertically integrated in the past for less reason than this.
Moreover it's a massive economy of scale, while their consumer electronics competitors are busy fighting a losing battle against the server market for chips, Apple can undercut them, grow their market share and get even more service revenue.
RAM prices surging in the AI hype era does not mean they'll stay there for decades (see xAI already letting one data center go), and it would take a long time for Apple to become competitive.
Should they also start CPU fabs? Batteries? Lithium mines?