Not so. A Mil is one, one thousand of any measurement. So a Mil is: 1 inch at a 1,000 inches, 1 meter at a 1,000 meters, 1 yard at a 1,000 yards, 1 cubit at 1,000 cubits, 1 furlong at a 1,000 furlongs and so on.
Another fallacy is your instance that 1 MOA is the same as 1". No it's not...