With last weekend’s opening of World of Frozen in the renamed Disney Adventure World park, Paris became the new leader in advanced technology among the company’s theme parks. It’s a title that shifts hands frequently, but with its robotic Olaf and a new nighttime show that blends airborne and water drones with fountains, fire, and water walls, Adventure World is a technological marvel. Disney tends to downplay the focus on technology in its park attractions. Workers and exec...