Let me help you further your firm belief, these same people, the ones firing RPG's(not necessarily the "pirates" but the idiots), do so and don't pull the arming pin before firing. In essence they are shooting a metal chunk out that will only make a loud ding on whatever it hits and never explode.

This message brought to you by the head of "Idiots Should not Procreate."

Disclaimer: ISP is a non-profit orginazation created to bring the awareness to the general public that, they are idiots.