Parental responsibility has become a charged topic despite the old-time proverb that "the apple doesn't fall far from the tree." Why is a mystery though it may relate to diminished belief in the power of the unconscious and the lack of public knowledge of the importance of early life experiences on adult functioning, the time when basic ego capacities governing control of thinking and behavior are formed.
It might also be that people believe a perfect parenting experience, which no one experiences, is required rather than that which is "good enough."
Apart from the influence of rare genetic anomalies, which seem to hold public belief, criminal and self-defeating behaviors have nothing to do with genes and all to do with childhood experiences. As New York City's mayor asked several years ago: Where were the parents when their armed teenager was nightly wandering the streets?