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Iwata and Yamauchi seemed like almost polar opposites in terms of personality, the elder hard-nosed and ruthless, the latter much more mellow and benign.
This mainfested in both positives and negatives for both; Yamauchi's tough attitude helped the NES dominate the competition and the SNES vanquish a formidle opponent in the Megadrive, but it also alienated third parties in the N64 generation.
Iwata on the other hand has the vision and open mindedness to pursue new approaches which led to the boom times of the Wii/DS and the seeds of the Switch, but during the Wii U/3DS days, his Nintendo was a little too passive and out of touch.
Furukawa's make or break will be the Switch's successor; it's easy to inherit success, but much harder to carry it across from one generation to the next. If he can make the Switch 2 a hit, then he'll be a contender.
