That is more than just your opinion. The clear wording of the GC says it only applies to uniformed troops of a recognized nation. I like your idea of a garrote made of pig intestines. A little bacon grease incorporated into all of our munitions would suit me.
Bacon grease is highly flammable so how about making an air burst bomb with it? Detonate over those terrorist funeral celebrations. The bacon grease would get dispersed in a fine mist with a secondary charge to ignite it. Hog napalm.
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Sounds good to me!