There are kernels of truth in here, like the unsubscribe link not required by law.

But there are many huge Japanese internet based companies, like Zozotown, that are extremely savvy at their UX experience and are extremely metrics driven. Not to mention the recent surge of internet based cellular providers that don’t have a brick and mortar storefront.

Meanwhile the fax machine anecdote is about ten years old at this point. Most Japanese purely rely on mobile devices these days.