Because the psychology is paramount. Team NZ need to rise above the epic 2013 choke and deal with the fact Oracle already hold a one-race lead courtesy of the bonus point they received for winning the qualifying series.
Untie the mongrel.
The only one who offered anything adversarial was the late Sir Paul Holmes, who in 1989 challenged America's Cup skipper Dennis Conner about his alleged "cheating", resulting in the boorish skipper storming out of the TV studio.
Winning back the Auld Mug is a marvellous prospect. Isn't it appealing to be world-beaters in something off the footy paddock?
The expert sailors aboard Team NZ hail from an island nation founded by expert sailors in waka, followed by many more expert sailors. Worthy of a good fight, methinks.