As a startup founder in Germany, I am very unhappy about all the friction. „Just Fuck off“ is very unhelpful as an advice, or even as a basis for discussion, and mostly unrelated to the article posted.
Marginal tax rate of 45% before 5.5% solidarity tax and 8%-9% church tax is why my HNW friends in Germany moved to Switzerland. There is also an exit tax if you try to leave the plantation.