No, she refused to say his name in order to make it harder for him to be recognized or idolized for what he did; she has refused to give him any sort of platform for his ideology. That's not the same as saying it didn't happen. She has very explicitly said that NZ's gun laws will change and that policy will be passed in order to help prevent this from happening again. We should know the names of the victims, not the perpetrator.

It's a very well known phenomenon that when there is media frenzy over the identity and "secret life" of the attacker, violence rates go up. Many attackers do this for infamy.