The generational flow-on and repetitive cycle of criminality hardly need spelling out. As most parents quickly learn - children do what you do; not what you say.
Of course, not all kids follow in their parent's footsteps but statistics show that enough will also end up behind bars for this to be an issue for Maori and non-Maori.
The proposed squeeze on gang membership is not going to cut it, and the tribunal report needs to be looked at seriously by government.
Fortunately, there are growing signs that politicians are stepping off the punishment path and looking for more sustainable solutions. "Lock 'em up and throw away the key" might have been a vote winner once upon a time, but surely not now.
The ACT Party has come up with a policy for rewarding self-improvement among prisoners, while the Corrections Department is busy doing deals with businesses to offer inmates jobs on release from prison.
Small steps but if we get enough of them, we may just get the momentum to turn things around.