If you take em to queenstown then ... well bungee jumping is what people do there. I think it might have been invented there...
I think they should restrict their drinking to one or two pints or a couple fo glasses of wine with a meal, max, while they are on tour, representing their country. They should not be allowed to "go out drinking" as in an evening of beer swilling and getting drunk. They are getting paid to keep themselves fit, apart from anything else, not poison themselves.
Poor Japan. My DH just commented "the Maori's showed no mercy. Must have been like being bludgeoned on the head with greenstone"