They stayed in their own environment until we started sending ships into their living room. To them, we’re the myths. We’re the monsters. We appear out of nowhere, we’ve probably snagged more than a few of them in fishing nets and trawler rigs, and half the things we have on us at any given time are going to be incomprehensible to a preindustrial society with no concept of manufacturing. They aren’t our fault. We didn’t mutate some flatworm into a murderous new form, and we didn’t melt a glacier that freed a prehistoric predator. They exist because they exist. That’s nice.”

