I'd suggest possibly broadening it to include the possibility that people can be evil in some ways, good in others, stupid and smart, and capable and incapable.
Even the simplest humans are complex creatures.
You might think you are smart for hedging, but if you think killing one million innocent lives just makes a person "complicated", you've lost the plot.
If it's all on him, then wouldn't that absolve a lot of other powerful people around him, who were also pushing for it, and at least one of whom was his superior in the chain of command?
Rumsfeld said a smart-sounding thing he got from somewhere else, but it was just a lie. He knew the WMD claim was made up because he helped manufacture it. Iraq's non-involvement in 9/11 and our inability to accomplish regime change were "known knowns" prior to the invasion.
> "[T]wo-thirds of Iraqis as a whole believe that what happened in 2003 was bad for them."
https://www.washingtoninstitute.org/policy-analysis/how-iraq...
In my list of people that to me qualify as evilBastard, the Bush Admin is way worse than theZuck.
you've read too much into this to grandstand