No Zac...you just don't get it.

I see that Zac Guildford has said that "staying sober for a year will be hard".

That comment shows that Guildford really does not accept that he has a problem with booze. He does not accept that he has no ability to handle alcohol and he does not accept that he has done anything wrong.
Of course this will be reinforced by the rugby community who see the actions of drunken rugby thugs as nothing more than "the boys letting off some steam".

Sure, the NZRU and the wider rugby leadership know the value of their brand, the NZRU employ highly paid PR wankers to make all the right noises when it comes to booze but the reality is that what Guilford did is not really seen as a big deal by those in rugby circles. The fact that a 60 something year old man was the victim of a gutless attack from this thug is of no concern.

The real problem here is that Guildford has not actually accepted that when it comes to booze he is a fuckwit, the fact that Guildford has said that he will stay off booze for a year (something he will not be able to do) shows that he still thinks he and alcohol have a future when that is clearly not the case.
It seems obvious to me that nobody inside rugby has told this idiot that he has a real problem, it also makes me doubt that he has received any counselling at all despite the press releases and bullshit from the NZRU's PR wankers.

If Guildford was genuine about overcoming his booze problem he would realise that he is one of the few people who simply cannot drink, until he has people inside rugby who tell him that and keep reinforcing that he and alcohol do not mix he will remain a danger to the public when he is drinking.