Bingo! This post was originally intended as an "engineering log" to work you through my thought process as I attacked putting Tailscale on the thing. It was also an exercise in trying to document how to think laterally and abuse second and third order properties of immutable operating systems to get them to do what you want.

Also as an aside, please use they or she to refer to me. I try to not be intrusive about it, but you are making a factual error by referring to me as "he".