Even regular fleets from countries like Sussex sometimes moonlight as pirates.
Even the direct subordinates of Haiyan Marshal have turned to piracy; everyone is pretty much the same.
The captain is only courteous because of the generous reward, relying on their professional ethics is a joke.
Even in civilized times, there's been the tragedy of a fishing boat returning with only a few people. In the tense environment of the ocean, the evil in human nature is only magnified.
Roland hinted to the captain that he was quite capable himself, hoping the captain would not take risks.
He couldn't pilot the ship, nor did he wish to swim hundreds of miles to shore.
Human nature cannot withstand tests, especially in times of danger.
The captain's judgment was indeed correct, before long the weather returned to normal, and the Diamond Princess didn't suffer too much damage in the storm.
