Lyric discussion by ringwormone 

Cover art for Madame Guillotine lyrics by Legendary Pink Dots, The

The "first they rounded up the reds.." bit is modeled after a poem about the Holocaust, isn't it? It's about getting rid of everyone that you disagree with and everyone and everything that doesn't appeal to you until the entire world is at risk, like the Queen of Hearts in Alice in Wonderland. Someone cruel and bloodthirsty as well as indiscriminate being in control. And then they destroy the planet and there's no escaping death anymore, and so everyone is wiped out.