Did it protect those prisoners at Malmedy?
“Did it protect those prisoners at Malmedy?”
No, but it did protect tens of thousands of other POWs whom Hitler and Himmler wanted to exterminate, but the Wehrmacht, Luftwaffe, and Kriegsmarine objected strenuously enough to stop in most cases. Malmedy was one of many such exceptions along with the executions of the POWs in the Gredat Escape, the Commandoes Order, and the Night and Fog Decree to mention a few.
NAZI Germany and Stalin’s Soviet Union fought each other without observing such laws about the protection of POWs, and you should see the horrors suffered by the Soviet POWs located in the same POW camps as the Americans and the British. Next time you feel vengeful, ask yourself how you would like our POWs to be treated like the Soviet POWs in WWII.