So what is the alternative to lowering "consistently high public debt"? Monetize it? Default on it? Debt in itself is not a problem if the growth rate is the same or decreasing as a proportion of the economy. At the current rate, some obligations would have to be forfeited, either to the direct creditors, or to those promised social services. Strangling the economy further with high taxes only makes the problem worse…
Not that there is a difference in real terms...