alt Hacker News> Two dozen of largest enterprises and unicorns and so on. Nobody wanted the billing department "inline" of systems controls.
And of course, two dozen enterprises trump hundreds if not thousands of other small businesses right? Did AWS think of, oh I don't know, a 'feature flag' or somesuch thing that enterprises and unicorns are so fond of to provide this feature to those who don't have VC money to flush?
Again, they give you the tools for this. You can understand your usage by API, you can set threshold actions on it, you can switch things on and off, and applyable templates exist, all of which are under your control and "out of band" from the systems delivering traffic or compute to your paying customers.