I was at that assembly. Charles Cates did not tell the students not to tell their parents. He told them not to tell their parents a faulty version of the story. That was the whole point of making the announcement. He wanted to dispell rumors before everyone got on the phone to tell their parents "locals are coming onto campus raping girls". You may not like Charles Cates, but he is not stupid. He is not going to tell the student body not to tell their parents.
No, trust me: Charles Cates is very stupid. I don't normally make a practice of insulting people so directly, but that man is a fool. He sent out a letter to the parents telling them about the lawsuit
before the word really got out to everyone. Well, Charles speeded that process right up, now didn't he? That is one example out of many, many, many more, but if you ask any of the parents who have had dealings with him, he is not only stupid, but incompetent as well. I mean, for Christ's sake, he mispronounced Samara's name in Assembly every week even though she had already been there like two years. If that doesn't show a great deal of stupidity (or maybe just senility), I just don't know what does.