Earlier quoted context omitted.
There really isn't a Nintendo-Sony duopoly. They don't really compete with each other. It's a handheld game system with the ability to dock and work with a TV. The hardware and its gaming capabilities are very different. There is almost no overlap in the games available to each console. Nintendo stopped competing on high performance hardware several generations ago. It competes like a Honda Civic competes with a Chev…
Side comment, but I think you may underestimate the Civic (Type R). Of course the C7 is still on top, but still.. Both in 2017: 7:13.9 - Chevrolet Corvette C7 Z06 Christian Gebhardt. 7:43.8 - Civic Type R, Honda didn't name the driver. Having said that the Nintendo Switch competes against the Series X in my home for time . It has some seriously good titles that my son loves to play.
Thank you!