I think his points are valid, but I think you're right, the cultural aspect is huge, as is the marketing, for that matter. They successfully marketed cameras,

I think his points are valid, but I think you're right, the cultural aspect is huge, as is the marketing, for that matter. They successfully marketed cameras, infra-red transfer, mobile internet, and QR code scanners to high school and college girls (the most profitable demographic in Japan to sell to). Without that, the other issues likely wouldn't have mattered.