Do you support the general rhetorical tactic of taking a single example and expanding it to the entirety of a group?
If so, I assume you're also upset about the bad hombres crossing the US southern border. After all, they are killers and rapists, right?
You’re generalising from some criminals to an entire civilian population. The parent generalized from military to military. There’s a slight difference in the two.
Also, remember that it was the US who declared “no quarter”, not the Iranians.