According to GTPlanet, Kaz appeared in an official promotional video for PlayStation China, talks (in Japanese language) about collaboration(s) with Chinese automaker(s).
https://www.gtplanet.net/yangwang-u9-extreme-rumored-gt7-20251022/
The video has Chinese subtitles only, no English.
H0ngcom believes Yamauchi said about this in video for China only, not in videos for other countries, as it could cause dissatisfaction among non-Chinese players.
