They saw the ship.
He came to those who'd committed the worst of all sins, his mind tattered and frayed, the stench of brine surrounding him. It was his burden and his joy to make them pay, drag them down to Davy's Locker, fill them up with the infinite tears of the sea, every time reliving his horror.
Thou shalt not kill, so sayeth the word of God. How much worse than the mere taking of life was the murder of your blood? How much worse to kill brother, sister, mother, father?
He would never rest. Never forgive. Never forget.