Sort of makes me lean toward a golden retriever

This report of five pit-bull/rottweiler mix dogs attacking two persons in TX (and killing one of the victims) makes me lean toward a golden retriever (if and when we get another dog). We've flirted with the idea of getting a german shepherd (I was even thinking the other day--ironically, during a family viewing of Beethoven, how beautiful a doberman pinscher is). Our family german shepherd growing up was a great/gentle dog, but I don't know . . .