How is this any different from a large corporation? Having been on both sides, I'd argue that Amazon's mean time to response/resolution is as good as or better

How is this any different from a large corporation? Having been on both sides, I'd argue that Amazon's mean time to response/resolution is as good as or better than what is generally seen in silo'd enterprise shops (provided you pay for AWS support- strongly recommended for those with mission-critical cloud infrastructure).