While Zeph's short set of rules sounded simple at first there was more to them and a great deal went unspoken. They were all adults so he believed that he did not have to spell out everything. However, saying that he didn't care if they ran around naked might have been a mistake.
He realized that after he said it, but it was too late to take it back and it was a ninety percent truth as he didn't care for the most part. The other ten percent, well he was a guy, and they were all rather beautiful young, at least in appearance, attractive women.
Samyaza would care about it far more than him, and the only problem other than telling his brothers-in-arms that Executive Suite Alpha One was effectively off-limits to them for a few days or so was not allowing Naamah and likely Prima to treat the ladies like an all you can eat snack bar.