25 years of governments pumping money into the economy to see if it "grows" again. When will they recognize the policy is failing and the solution is not "more of the same"?
They kept the monetary base pretty steady for a while in the mid 2000's. It ended up hurting their ability to export and made it easier to import. They were unhappy with the slightly higher unemployment, the slight and constant price deflation, and the lack of GDP growth. Otherwise, things actually weren't that bad.