I didn't really read any symbolism into this. I think it's more that it was a great mystery. The island is so out of the way the presence of a derelict lifebo

I didn't really read any symbolism into this. I think it's more that it was a great mystery. The island is so out of the way the presence of a derelict lifeboat is going to intrigue people and motivate them to figure who was there, when they were there, and what they were doing.