[Brando]

Maybe we'll get lucky and the North Koreans will sink the Japanese whaling ships AND the Sea Shepard.

I think South Park depicted Whale Wars best. If they wanted to really achieve their goal they would employ subterfuge. Sneak a small skiff over to the jap boats at night, attach some explosives, sneak away... Kablammo. They're in it for the posterity, not the cause.