If I  was a German who saw my country literally invaded by a million people who had nothing to do with this country, and who have quickly created a record of violence, abuse of women, and parasitism on the welfare state, I would consider voting for the AfD too despite the concern about some of their agenda. 

This is how nations are destroyed.  Merkel took this upon herself, foisted it on Europe and her own nation, without permission to do so.  The consequences of that historic act of hubris have only begun to be felt.