AWS has both big/small customers, I would say those two have very different priorities when it comes to SLA. Having a killer switch that could make one's AWS a

AWS has both big/small customers, I would say those two have very different priorities when it comes to SLA. Having a killer switch that could make one's AWS account stop would be a risk for big customers, I would predict, if it is misconfigured, maybe even intentionally. A better solution for them would be alerts, and get things right afterwards.