According to an expert assessment from the German Institute for Human Rights that's a hundred pages long, all the conditions for banning the AfD party are met. Talks about the urgent need to do so are being kicked off. If a party ban is seriously being considered, you know they are doing something wrong. Party bans in Germany are very difficult to achieve for obvious historical reasons. So far only two have been banned, one of them was the SRP, the follow-up party of the Nazi party.