Nintendo's technology higher ups also have ties to Nvidia.
Nintendo's current head of System Architecture and head of their Hardware Technology Department is a former Nvidia employee
https://www.linkedin.com/in/ssudharsanan
Nintendo's Senior Graphics Engineer as of July 2016 previously worked at Microsoft and not Nvidia per se, but guess which SoC he worked with while at Microsoft?
https://www.linkedin.com/in/joshua-buckman-7331a953
The Nvidia Tegra.
" I also did UI and rendering technology evaluations on the NVidia Tegra SOC."
So likely "switching" to Nvidia was not very hard for Nintendo. Their Head of their Technology Department is a former Nvidia employee who would know the company well, they have a senior graphics engineer who has worked with the Nvidia Tegra SOC.
