German Shepherd's and Dobermann's are other breeds previously high on the hit list of dangerous dogs like the Rotti is now, but careful breeding practices with the German Shepherd in time has produced a much softer more socially acceptable safer dog than the original breed temperament. However, German Shepherd's with working dog bloodlines generally indentified with extremely dark/black facial characteristics are far different in hardness and aggression/defence drives than the average GSD pet. In other words, the German Shepherd's that most people are familiar with the behavior in the average pet today, are not the bloodlines used for police work and security/guarding purposes, which are an entirely different dog.
High drive working line GSD's which are protective, aggressive and dangerous in the wrong hands, are generally expensive and difficult for the average person to purchase and are not common place in the community which due to responsible breeding practices of the German Shepherd producing softer pet dogs, has cleaverly removed much of the spotlight away from the breed as being dangerous as they used to be. Perhaps the breeders of Rotti's need more attention in this area as happened with the GSD.