> MacOS doesn't have the fundamental ecosystem problems that beget the need for docker.

Anyone wanting to run and manage their own suite of Macs to build multiple massive iOS and Mac apps at scale, for dozens or hundreds or thousands of developers deploying their changes.

xcodebuild is by far the most obvious "needs native for max perf" but there are a few other tools that require macOS. But obviously if you have multiple repos and apps, you might require many different versions of the same tools to build everything.

Sounds like a perfect use case for native containers.