If crazy is defined by the love of physical competition and the love of fun, then yes, you would be right to call them crazy.
Ruggers play because they love the game and enjoy the camaraderie.
Hopefully, with a little understanding of the game, you'll see why we love it. Legend has it rugby began in November 1823 at Rugby School in England, when during a soccer match,William Webb Ellis picked up and ran with the ball. True or not, a stone on the school grounds commemorates the event and the game bears the school's name. If you are reasonably familiar with American Football you will be able to follow rugby football. The Object of the Game is that two teams of fifteen players each, observing fair play according to the Laws and a sporting spirit, should by carrying, passing, kicking, and grounding the ball to score as many points as possible.