Re: In my shop the PHB's believe
This should not be surprising to anyone paying attention, as the cloud vendors' sales and marketing people implicitly, if not outright explicitly, say their cloud (not "the" cloud, mind) is a panacea.
Utter bollocks, of course. Whether your bits are bouncing around in your own metal on-site or in someone else's virtually, you need bright and skilled folks looking after it. That costs.
And while Bezos' lot are indeed a clever bunch, Bezos' main goal is to separate you from your money, that's all.
So use the cloud where it suits, but you'd do well to remember your needs and priorities are different from theirs.