However, Jason Momoa’s Arthur was still somewhat responsible for Black Manta’s father, Jesse Kane, dying, because rather than free the mercenary when he was pinned down by some wreckage aboard the Russian nuclear submarine, Arthur left him to his fate because he and his pirate crew had killed so many people.
Rather than drown, Jesse opted commit suicide via explosives, but not before telling David to kill Arthur in retaliation.
Obviously this is not how events played out in Aquaman.
Thomas lived on to see his son become a superhero, and at the start of Aquaman, he was still spending his days tending to the lighthouse, drinking at the local tavern and still visit the dock everyday to see if Atlanna returned to him.