Earlier quoted context omitted.
Why would an insurgent force against an occupier ever wear uniforms? Ever? Is there any case of this happening in history?
Pretty much all of them. National Guard and HomeGuard in every allied country has a uniform. The ones that don't are using what would be considered unlawful tactics these days. You're an 'unlawful combatant' if you don't wear one: the Geneva Convention still technically applies to you, just not in any way you'd find comforting.
The British Army was very upset that ragtag riflemen in the American colonies kept running into the woods and shooting from behind cover instead of standing in a Proper Formation and exchanging volleys of fire. No true gentlemen does that!
> the British military and government frequently accused American colonial soldiers of violating the established "rules of war" (or the "laws of nations") during the Revolutionary War, largely because they viewed the conflict not as a war between sovereign nations, but as a rebellion. The British often regarded the Americans as unlawful combatants, or rebels, who used irregular tactics that disregarded traditional 18th-century European military etiquette.