Staff was counting on Gwinn not to rock the boat, a big reason no insider ran against him. Instead, the crew is realizing the new skipper is not as guileless as the old. The ship is shuddering as it changes course. Nobody knows what's going to happen. When he decided to interview everybody and they realized that the beginning of his term was the time to get rid of people, that interview process created some heartburn.
Nobody likes change.
I think it's going to work out fine. That's a classic, understated Witticism, bland, not very funny but probably right.