Final answer:
James Cameron indeed spent more time exploring the Titanic wreck than the passengers spent on board during its maiden voyage. This is true as Cameron conducted numerous deep-sea expeditions to the wreck, while the Titanic's voyage was tragically cut short.
Step-by-step explanation:
The statement that James Cameron spent more time on the Titanic wreck than the actual passengers is true. Cameron, an acclaimed filmmaker and explorer, has been on numerous dives to the Titanic wreck site, which is located about 2.5 miles below the surface of the North Atlantic Ocean. His visits have totaled many hours underwater exploring the site, whereas the ill-fated passengers of the Titanic only spent several days aboard during its maiden voyage before the tragedy occurred. While the Titanic was indeed the largest passenger ship built at its time, this information is a side note to the core of the question, which focuses on the comparison between the time spent by passengers during the voyage and by Cameron on the wreck.