The Ponzi in Japan - just as the Ponzi in the USA - will continue to "work" in appearance until, well, it fails to work and collapses. It is only a matter of time.
Countries having economies in fail mode because of their extremely high and growing levels of debt cannot improve their economies in real and lasting ways by finding innovate new ways to pile more and more debt on top of the already stinking and ready to collapse heap of existing debt.