I would have to agree with all of you who believe NZ RT is getting worse.
Back to basics people, the reason controllers get all Mad Max on people is generally because of poor radio work (bad read backs and reporting ect).
If you keep it simple the first thing a controller will think is that this guy or girl knows what they are doing and fire an easy clear back at you.
Yeah sure put your bit in occasionally, but remember there is prob someone waiting to talk and their tx could be serious.