Well if you want to comply, it's your right to do so. If someone else doesn't want to, it's none of your concern.No, that's the law and sorry, but unless you are the ATF, your 'opinion' doesn't matter. Actually, even if you are the ATF your opinion is moot or rescinded.
The simple fact is that his rule carries the weight of law right now. Hopefully that will be changed, but that's a hard, cold fact for now.