"well you see, it's perfectly reasonable that he murdered a surrendered soldier, as he was just following orders!"
The "just following orders" defense still going strong 80 years later.
I'm sure it's going to be used a lot in the coming decades, assuming the governments actively involved in horrifying human rights abuses ever see any sort of reform...
I remember when an enthusiastic "yeah!" would end a politicians career and mark them as "too unhinged" to represent anyone.