“Optimized our usage of cloud service providers and began doing much more on-prem. This shift has reduced our monthly cloud costs by 60%.”
The source for the 60% is X’s own engineering account, and the $60 million a year comes from multiplying it by a reported $100 million AWS bill. DHH runs his own cloud exit campaign and takes both numbers at face value. Moving media blobs off the cloud cuts storage. It says nothing about what the servers, the colo and the 2,000 remaining staff now cost.