If economies reduced duration of stable times where people are at least content in order to reduce the blow/severity of economic troughs, which in turn extends trough duration, there would be much more uproar. As always, in the next 1-5 years, things will hit their worst and then get better, the people will be complacent once again for another 10-20 years after the dust has settled...then the cycle will repeat.
The finite amount of money would not make that work, so we need to print more money as well, not this much of course. Savings can be recovered if you could invest into smart stuff, like bitcoin, and that will make it go up soo enough and be over ATH in the next year or two.
Despite the accuracy of what he said as a whole or who he was, (my conclusion is some good theories or explanations stemmed from him, but ultimately he was a terrible person) what he said about successful ruling is accurate in terms of how things go down in most countries ...not because they are following his lead or anything, but because that's just how it is and what works in terms of ruling people and preventing uprising.
As for what you are saying, inflation being higher than 3% is the result of lacking order of an economy. Mistakes that are coming to the surface...so many mistakes that things have spun out of control. The "yes we need to print but not this much" is a watered down way of saying that things are out of control, and is attempting to be resolved by infinite monetary policy.
As for whether or not inflation is required that's debatable. Though I'll leave the question or whether or not economies would survive without inflation once Bitcoin is adopted