I think that inflation in Japan and the nature of the market there needs a separate school of thought because it is not subject to most of the current investment laws, so we cannot consider it an example that we can rely on.
Why?
It is exactly that thing that goes against the usual current that needs to be analyzed, especially since it's the one case where inflation is not happening, just when it comes to a disease, you're looking at why this guy survived or did not get infected for clues.
And culture, school of thought, things that can apply to only a country, the mentality of a population, those things are just on paper, one week of fasting after one month of two loaves of bread a day menu and you will see how easily people can suddenly forget everything, from religion to the name of their ancestors. It's quite funny actually, you dismiss the case of Japan because well, not everyone can change their way like that, while at the same time we're here on Bitcointalk where we talk about changing the whole way the economy works, in the whole world, isn't that contradictory much?
Therefore, there is no reason to mention the issue that some inflation factors are outside the Fed's control.
I see it as a valid reason, I mention it, simple as that!
People can stop inflation themselves, it only needs a gentle push and the FED won't be able to do a thing about it, if everyone would simply cut their expenses you're going to see prices and inflation going down, deflation can be triggered easily if the absolute majority wants it and are prepared for it.