Your personal ignorance makes a poor argument. Not only do I know several devs doing cool things with namespaces and cgroup, but I myself have done cool things

Your personal ignorance makes a poor argument. Not only do I know several devs doing cool things with namespaces and cgroup, but I myself have done cool things with namespaces and cgroups. I played with Docker briefly, but it has no real practical application in my line of work.