The top marginal income tax rate in Germany is not much higher than in, say, the US. The real injustice is that capital gains (i.e., unearned income) are taxed

The top marginal income tax rate in Germany is not much higher than in, say, the US. The real injustice is that capital gains (i.e., unearned income) are taxed less. But of course that's also very common internationally.