Middle Passage

This week, we read the "Middle Passage" by, Robert Hayden in American Literature. In the "Middle Passage", it said that the crew was infected with Ophthalmia, a disease that makes the infected go blind in about tree weeks. Near the end, when all of the crew is either dead or blind, The African slaves, rebel, taking control of the slave ship. After they get control, they kill the rest of the crew except for two and enslave them so that they can go back to Africa. The two say that it was the worst thing ever. My question is, They enslaved more than 3 thousand people on that boat and made them sit crowded under the deck laying in their own feces and dead bodies. How can they say that what they went through, was the worst? Even then, because of the language barrier they were able trick the Africans into the colonies. They did this by going east at day time and west at night time. Is that even possible? wouldn't they just be staying in the same spot? Or were they able to decrease how much they traveled during the day to give them an advantage during the day? The fact that the two captured crewmen thought that they had the worst situation ever bothered me, considering what they did to slaves on the ship. They were much better off than the slaves, taking into account all variables, like: Food, living space, hygiene, and etc. Did they ever realize that right in their line of sight, were people who had it worse than them?