Someone mentioned on HN a few months ago that they definitely do have large banks of both Apple-branded and non-Apple machines running a special in-house flavor

Someone mentioned on HN a few months ago that they definitely do have large banks of both Apple-branded and non-Apple machines running a special in-house flavor of macOS. In fact, the last manufacturing run of XServe hardware had a more souped-up configuration than they ever offered to customers and was reserved for internal use at Apple. It would be ... well, kind of them to offer IT solutions they use internally to other IT departments tasked to support work on Apple platforms. At the very minimum, they could license a version of macOS (or "serverOS") tuned for server workloads, VM deployments, and Apple Remote Desktop sessions.