It's also irrelevant, and doesn't change the answer.
You got your answer. Be happy.
You appear to be more interested in arguing a point. It's not open for argument. It's a regulatory issue, and the crew is as bound by it as you, or anyone else is, whether you own an Ipad or not, whether you like it or not, or whether you're satisfied or not. Your ownership, your satisfaction, and your affinity for the regulation are irrelevant. It's been given you as clearly as it possibly can, and you have your response.
Enough, already.