The images of the mass brawl between two large Syrian families in Kirn (Bad Kreuznach district) have an effect. Not only are politics preoccupied, many people wonder how such violence came about. Our newspaper spoke to the retired Prof. Josef Freise. The Neuwieder still teaches at various universities across Europe on the subject of the migration society. In an interview, he outlines what is behind such negative extremes – and how they can be prevented.