That and there's also a pretty hard limit on the number of people that can be packed onto any particular ship just due to space, can't just double the number of

That and there's also a pretty hard limit on the number of people that can be packed onto any particular ship just due to space, can't just double the number of people on board to go from 100 hour weeks to more reasonable 50 hour weeks. Even with hot bunking there's feeding them and having somewhere/something for them to do with the newly freed time.