I think the original comment might be getting at the cultural differences between the US and Japan. It is plausible to me that the group that owns the most Jap

I think the original comment might be getting at the cultural differences between the US and Japan. It is plausible to me that the group that owns the most Japanese Yen get to set the rate. That group can decide to tread water or start to charging outsiders for use of the capital. Warning the above is wild speculation from a stranger on the internet.