One known user. Linux doesn't have automatic telemetry in every distro (or even most distros), the kernel devs don't really know how many people use. So if they

One known user. Linux doesn't have automatic telemetry in every distro (or even most distros), the kernel devs don't really know how many people use. So if they know of one user, there are probably more users that just haven't come to their attention on the mailing lists.