I sympathize with the sentiment even though I am American. The problem with this is that Americans are not a uniform cohort.

The people who deserve to eat humble pie in this scenario are neck deep in propaganda and their own inflated egos and will never learn any rational lesson from this despite how catastrophically it might go. The Americans who are paying attention and will understand the harm of this operation already know it's a fiasco and wish the country was doing anything but what it is doing.