The paper has plenty of things, but seems to me the gist of it is that they want to secure the public procurement cash flow in lieu of venture capital? I may be reading this wrong, but all the labels and normative proposals listed point to that.
I do the same, but with ConnectBot and Gemini CLI. I have found ssh sufficiently good (mosh required some port forwarding dance, that Tailscale may have solved for the author).