When I was a child I thought the RC-XD was the most ridiculous contraption I had ever heard of. Tons of shit turned out to become real I thought was stupid
Here's the kicker: A ton of things that are actually are stupid do actually turn into stupid products. "As Seen on TV" being the primary source of those things...
Innovation is probably one of the best, and worst, features of war. Simple concepts that do not have any other place in society could save, or cost, thousands of lives. It's weird.
This idea of remote controlled cars shuttling explosives is not new. There were probably Allied versions, but the German version of such a thing was the Goliath. https://en.m.wikipedia.org/wiki/Goliath_tracked_mine