CS2 has indeed a fake economy. See video proof.

No road connections, no citizens, yet industries have resources and workers to produce goods to be delivered to commercial buildings with again workers. And a good tax income, despite no sales.

And here is the proof. And no, that is not a bug, it is by design. (and no, I can't refund the game, I've tried it twice)
https://www.youtube.com/watch?v=ZVdi-R6xiAw

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