Earlier quoted context omitted.
I urge you to read the "Wahlprogramm" with Google translate, the legal text that defines what a party stands for in this election, it's ~70 pages for each party, but there is a summary for every topic. http://www.bundestagswahl-bw.de/wahlprogramme_btwahl2017.htm... It's not much different from what the other parties aim to do. The only real one being, that the AFD wants a hard cap on immigration. If you read media co…
Could you give me a source for the claim that the Wahlprogramm is legally binding? I was always under the impression that it was more a declaration of intention, to be fulfilled on a best-effort basis. Otherwise, how would coalitions between parties work, if they can't deviate from their program? Even if it were legally binding, that doesn't preclude making decisions on topics that weren't even covered. In those case…
If the Wahlprogramm were legally binding, there would have been plenty of opportunities to sue.
For the record: the reason the Verfassungsschutz might tear into a party is usually because the party harbors anti-constitutional ideas or associates itself with criminal organisations, e.g. the NPD with its neo-nazis or the Left with antifa.