That's how I understood it as well, though I was still disappointed that my expectations weren't exceeded. I am eagerly awaiting the day that new AAA games are playable at low quality settings on a MacBook Pro but I guess that's still a few years away.
For my definition of playable, for example Bioshock Infinite is perfectly playable on 2015 Macbook retina 13".
But personally it doesn't really matter. I don't have time to play anyways. Nor really so much desire either nowadays.