You know - if you think about it - with the hundreds held hostage and thousands being affected, insurance and consumer costs going up.... maybe they could do something good :)

No one else seems to be able to stop 'em.

That was my first thought too. This actually sounds like one of the few legitimate uses for a mercenary army and perfectly legal if congress issues a letter of marque. Privateers seemed to work OK for England. Not that I'm unsymathetic to Somalis who's environment is so thoroughly polluted by supertankers purging their tanks all over their shores that you have to wonder what alternatives exist to piracy.