The cost to maintain the servers to send extremely small packets of data to instruct the car for the entire fleet of cars they sold could be less than $100/m.
I can absolutely see it getting useful for a pro. It’s already a better version of IDE templates. If you have to write boilerplate code this can already do that. It’s a huge time saver for the things you’d have to go look up to remember how to do and piece together yourself.
Example: today I wanted a quick way to serve my current working directory over HTTP so I could do some quick web work. I asked ChatGPT to write me a bash function I could stick in my profile to do this, and I told it to pick a random unused port. That would have taken me much longer had I went to lookup how to do that all. The only hint I gave it was to use the Python builtin module for serving http.
Take a look at Tailscale. You can probably do what you want using that and basically any router out there since it’s zero-config in the router, you’re hardware independent.