The fact that PowerShell needs modules to fully work with something is definitely an issue - we'll have to see whether people start writing the modules to make

The fact that PowerShell needs modules to fully work with something is definitely an issue - we'll have to see whether people start writing the modules to make PowerShell fully functional on *NIX. You can call existing command-line tools, or methods from the underlying .NET Core installation, but those are really just work-arounds. To be fair, every programming or automation platform has that issue: Python and Ansible succeeded because people did like the basic systems enough to write code to extend their usefulness.