implementable != suitable Metal was developed 12 years ago for the iPhone 5s. Apple was clear (and probably right) that a 1st party system targeting low power

implementable != suitable Metal was developed 12 years ago for the iPhone 5s. Apple was clear (and probably right) that a 1st party system targeting low power devices was more suitable. That became much more of a 'myth' 6 years latter on high power laptops people wanted to play games on.