John Carmack's arguments against building a custom XR OS at Meta

This is completely right from a product point of view, which is Carmack's argument.

But I have wondered why one of these companies with billions of dollars to burn hasn't tried to create something new as a strategic initiative. Yes, there wouldn't be any ROI for years, and yes, the first several products on the platform would probably be better off on something more traditional.

But the long term value could potentially be astronomical.

Just another case of quarterly-report-driven decision making, I suppose. Sigh.

How would that be better than just grabbing a bsd and starting with that, PlayStation and Apple did it and actually ended up with functional products