In "the man in the water," what was the remarkable occurrence that rosenblatt reported?

The Man in the Water interested Rosenblatt.

Here are the remarkable occurrence that rosenblatt reported:

1. The real act of SELFLESSNESS that the Man in the Water showed as he sacrificed himself for others.

2. The Man in the Water was a real person, just like any other person with flesh and blood.

He showed SELF-SACRIFICE which is rare in today's world. He gave up his own survival for total strangers by passing his lifeline or a flotation ring given to him by the rescue team on to another of the passengers.