Teacher Unions Can't Even Decide What They're Arguing“Teacher unions have spent the last 24 hours proving exactly why New Zealand’s classrooms need change”, says ACT candidate Paul Henry. “If teachers already have the powers we are talking about, then the unions have nothing to fear. “The unions have also wrapped themselves in concern for children with learning difficulties. Parents know it… students know it. It’s a shame the teacher unions don’t seem to trust them nearly as much.”