You’ve complicated maintenance of both the railway and the solar. If you used the space literally next to it in the picture, both would be simplified and have current real world cost and deployments. This is just an investor scam so they can take a bunch of money, and say it was all for this test, that will turn out to be worse and more expensive than anything else.

Then they will try to sucker another city into funding a new test.

Sure it does, you can even join Linux to the domain. It’s probably more that setting up tooling to manage it is not worth it when only one person is using Linux.