Leo King and Zane King originally thought that Zachary had some malicious intent when he stopped everyone on the ship from cultivating together. However, when they heard Zachary remind them about the substantial food consumption during the early stages of Martial Path Cultivation, they realized that Zachary was kindly cautioning them.
Leo King, eager to return home, naturally wanted everyone to cultivate the Martial Path together, but Zane King felt differently.
His attachment to his homeland was not as strong, and after spending a few years here, while he still missed his parents deeply, he was quite satisfied with the thrilling life he'd led following his second uncle through various events.
After all, when he was in the Rabbit Zoo, he was young, so his parents placed strict constraints on him.
Following Leo King to this place, and given that Leo King was his second uncle, while he was very concerned about Zane's safety, he wasn't overly restrictive.