Even if there were only 10 miners in the world, as long as:
Sorry to now say that makes you a certified idiot. I've lost the respect I had for you. You appear to be an engineer with a calculator in your pocket who is clueless about society.
An engineer with no perspective is very dangerous.
- the system remains open such that if I feel really really strongly about it, that I can run a node and mine too
You wouldn't have enough hashrate to have any impact against a network with only 10 miners. Duh.