If everyone dies when the canary dies, then there wasn't much point in bringing it down there. The canary is at the margins, and thus it dies first when the g

If everyone dies when the canary dies, then there wasn't much point in bringing it down there. The canary is at the margins, and thus it dies first when the gas comes. When it dies, everyone else should GTFO, because if the gas gets worse, they're next.