Answer:
To help explain why he was so driven to discover the Titanic.
Step-by-step explanation:
In this text, the author tells us about the Sea Rovers meeting, and the way people there thought about the idea of finding and exploring the Titanic. Most people in the meeting believed this to be a crazy or impossible dream. Although it would have been an amazing event, they believed that the Titanic could never be found. The author includes this information in order to explain why he was so driven to discover the Titanic.