The moral of this economic story is that whenever someone who has an incentive to lowball the burden of a tax is speaking or writing, be careful to look at what happens to take-home income as a better guide to policy.
After decades of Cold War spending, the US had to find a way to keep its massive war budgets and domestic spending going without ruining the dollar. Controlling the flow of dollars spent on oil turned out to be a fix.
Private ownership of the means of production is the fundamental institution of the market economy. It is the institution the presence of which characterizes the market economy as such. Where it is absent, there is no question of a market economy.