Dunno.
Dead pirates might mean that their buddies start hosing down the ship’s superstructure at long range with 14.7 mm HMGs while their zodiacs are closing on the target.
But maybe then, the navies of the world will start wiping out these bastards instead of playing “catch and release.” Or let commercial ships arm themselves with auto-cannon to sink the pirates at long range.
Probably not, though.
You don’t get ransom if your cargo is toast and your crew is bleeding. I don’t think there is any danger of the pirates “escalating” the violence . . . especially the pirate who was killed.