It's the simplest explanation.
As Richard Stagg noted, cloud resources are not unlimited. That's why I began this post with the Amazon example. I know of no more torturous testing of any IT system prior to deployment. But for Amazon, the stakes were critical. TVB won't vanish after this incident--they'll lick their wounds and (hopefully) learn from it.
And by the way, congratulations to the wonderfully named Carat Cheung.
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