"when its busted by the filter theres a trick that I found, you break it all apart and you turn it around. Slide it in easy and you twist and light. Anybody got a light? mmmmm-mmmm..."
The Korean War was Ellison's attempt at using time travel to wipe this from history. We may never know what else he's done to us through time, but chances are the truth is whatever can't be published in science fiction these days.