https://www.nintendolife.com/news/2012/07/katsuya_eguchi_wii_u_design_philosophy_is_for_everyday_life
Katsuya Eguchi: Wii U Design Philosophy is For Everyday Life | Nintendo Life
Jul 30, 2012 - Wii U Pro controller designed so some gamers don't 'feel left out'
katsuya eguchidesign philosophyeveryday lifewii