Wars the US waged in Iraq, Afghanistan, Syria, Yemen, and Pakistan following September 11, 2001 caused at least 4.5 million deaths and displaced 38 to 60 million people, with 7.6 million children starving today, according to studies by Brown University.
I read that the clique around Bush did aim to "pay back" stuff a thousand times, seems that they more or less managed to do that, even though the pay back was genocide against innocent people, which the USA has a tradition that reaches further back then the Vietnam War.