[mmcnl]

Curious to why they (both Apple and Valve) are not serious about it. The MacBook Air could actually be a great gaming device. It has extremely capable hardware at a very low price point. And for Valve it would be an instant expansion of their user base with a large number of new potential customers.

[michaelt]

Apple had the opportunity to stay on x86, where the 20+ year back catalog of games is.

Apple decided the benefits of moving to ARM outweighed the loss of gamers.