The breath testing of spectators at a schoolboy match between Christ's College & Christchurch Boys High seems a bit over the top to me!
 
We know that the modern Y or Z or whatever they are Generation struggles to handle their grog & that Cantabs are not the most civilised or rational mob but surely an old boy is allowed a snifter or 2 before he watches his old 1st XV play.  Another example of the fun police out of control.