Yes, but they wasn't expecting a delay when they said it. Reviewers were supposed to receive their sets much earlier.
And to be honest, holding OS release is pretty uncool. We have to wait because some people paid more... Even if we get our keys/licences now, would Pro buyers really feel bad? What's the difference for them if we get our keys earlier? Their date still doesn't change.
I can't even imagine this exact situation anywhere else.
"Yes, uhmm, we know you have bought Ford Focus, yes, it's available now, in fact your model is right there, but we can't give it to you yet, because there's a delay in Ford Fusion factory, and Fusion buyers paid more, so..."