Not really. The US followed certain rules of engagement in Iraq and Afghanistan that a truly ruthless military would not.
For example the Battle of Fallujah was fought with Vietnam level tactics. There were about 100 KIA for the US side. The battle could have been fought differently with zero US losses.
For example the Battle of Fallujah was fought with Vietnam level tactics. There were about 100 KIA for the US side. The battle could have been fought differently with zero US losses.