I'd be interested in their ability to actually enforce that - i.e. you can't criticise anything, surely that is against some sort of law about protests, or freedom of speech, or disclosure. I mean its not as if people are making stuff up.
There are lawyers here I know, so I'd be interested to hear their thoughts.
Otherwise I'm not registered - I lost vision in one of my eyes years ago and I don't have the depth perception for ball sports anymore, quite a few people here no longer play and can take the blame from NZF if it comes to that.