I think the waiting (and teeth nashing) is for the completion of the transciever test and validation run so that engineers on both sides can say with confidence 1) yes, it works 2) yes, it is as bullet proof as it can be, 3) yes, we are confident POET can supply as many die as we will require and 4) yes, it's as efficient and cost effective as they said it would be!
IMO, of course