The AfD is a danger for Germany – especially for German science! Robert Püstow, a professor of applied mathematics, is not afraid of the supposed Alternative for Germany. Instead, he sees a need for action. He takes a close look at the party's program and the statements of its members. The result: scientific expertise is not shown by the AfD, on the contrary. What characterizes the AfD is incompetence, lies, ignorance and arrogance. Climate change, the coronavirus pandemic, data protection – the AfD has taken a stand on all these and other issues. Competently? No, it has attracted attention for disinformation and ignorance. Even more revealing: it acts contrary to its own demands. Even on its core issue of nationalism, it betrays itself and its supporters...