"That's why the OCP IT model will fail in the real world outside the hyperscale data centres of Amazon, Facebook, Google, Yahoo and the other enormous cloud IT service operators."
It seems somewhat likely to me that they are envisioning a future where that's where almost all of the compute hardware actually lives, and thus where the economies of scale end up focusing the market. Personally, I don't think such an one-sided outcome is going to happen for a very long time, if ever, but a lot of hype seems to assume it's inevitable.