Giving the oil companies, some of the richest companies on the planet, MORE money is a benefit? Is that your idea of good governance? You don't think there's better uses of that money that's coming right out of your pocket and everybody elses?
It is a benefit if you're a stakeholder in those companies, or your friends are stakeholders and will pass on some of the winnings as a "thank you."
That's absolutely not my idea of good governance, playing with oil prices is extremely dangerous considering that economy is strongly tied to them. Starting a useless war is crazy in the first place.
But it is more money in America (for the government / oil producers to misuse) which is a benefit from the standpoint of the government. Not sure it exceeds the losses though.