They'll just say "oh sorry we missed those", and add them to their new list of illogic.
Their anti gun "caliphate" will march on no matter how mistaken they are, no matter how factually wrong they are and no matter how many people die as a result of an inability to protect themselves because of prohibitive gun laws brought about by the the anti gun crowd's ignorance.
Agreed. I just think this attack doesn't given them a super-high soap box, per se, compared to the other mass murders.