Don't fuck with mankind - one of your siblings sinks one measly ocean liner, and they will boil the planet and themselves just to eradicate every last one of you.
Tbf does anyone know what happened to the iceberg that sunk the Titanic? They should at least track it down and torpedo it a couple of times just to get even. Make an example of it. Send a message to the other icebergs that being in the way of oncoming naval traffic is a big no-no.