The most notable exception to this would be Chrome OS (which also served as a starting point for CoreOS and, IIRC, Google's container OS). This hasn't stopped

The most notable exception to this would be Chrome OS (which also served as a starting point for CoreOS and, IIRC, Google's container OS). This hasn't stopped Google from using a Debian variant internally as a desktop OS, so they all kind of have their place depending on what you intend to build.