I think a lot of people would like to see .NET supported in with some of these one-off orchestration/workflow platforms. Most enterprise work is done in .NET and it's a real and tested production ready environment. It's been open sourced for a long time now and has a lot of language features missing in both Python and Node.
Until then, enterprises are going to be using AutoGen or Semantic Kernel or similar, which has broader language support and which have already been around for longer.