During the Muromachi period Pacific island tribes often invaded Japan transversing the ocean via surfboard. They would use their boards as both transportation devises and as shields. A good samurai could cut through a surfboard.
I would 1000% rather have a dad who bashes and chops stuff with swords and various melee weapons on the weekends than a dad who just wants to mow the lawn and take a nap because he's tired from doing actual work all week.