It is woth mentioning that Friedrich Merz made up accusations against refugees recieving free dental work in the past. He said: "Die sitzen beim Arzt und lassen sich die Zähne neu machen, und die deutschen Bürger nebendran kriegen keine Termine." which translates to: "These [refugees] are sitting at the doctor and get their teeth done, and the German citizen does not get an appointment" This is grade-A-populism.
Also, the CDU, the party Friedrich Merz is a member of, refused to participate in the protests against the raise of the Nazis with the reasoning, that the left party (die Linke) is participating as well, and that the CDU wouldn't support anything the left party stands for.
It it safe to say, that our democracy is theratened by the CDU as well. Also, because members of the CDU took part in a meeting which discussed the mass deportation of foreign people. The CDU party is quite hesitant to distance themselves from it. This meeting sparked the ongoing protests, where - as of today over 300,000 people participated in.