TM7, got any examples of countries like that? I can't think of any.
Then there's distribution.
If the government handles oil and gas the way they handle education, we'd be in a boat load of trouble. More money spent on pensions and benefits than on anything else. Then there's cronyism, lobbies, and all other special interests. These things were tried by the soviets and a few others, and those countries don't even exist anymore.