… Hydrogen cyanide is literally what has been used to execute people in gas chambers and genocide during the Holocaust. The LC(Lo), the lowest recorded lethal concentration is 107ppm, resulting in death in 10 minutes. That’s, objectively, far more dangerous than the respective material that firefighters were exposed to at Chernobyl. You don’t want that in any appreciable quantity in the air around people that you want to continue living.
So, I went down a weird rabbit hole a few months back and discovered that there are gamers pursuing a level of depravity that I want expecting. There are open-source mods for some competitive multiplayer games that control sex toys.