I am sure it is NOT “automatic” that a male growing up absent their father is “sure” to become a “mass killer” or even a criminal.
I think what is clear psychologically and socially is that growing up without a dad presents a risk factor that can jeopardize a boys maturation process.
I think the mass killers likely have some other familial, social and psychological attributes in common, besides growing up without a dad, but I’m also guessing that those factors can stem from - the causes behind - why they grew up without a dad.
Yet, yes, MILLIONS of good young men, likely the majority of young men who grew up without a dad, managed the shoals of a fatherless upbringing and matured in a good way. There are no assurances, but yes, being fatherless is a risk factor.
Fatherlessness is now multi-generational. Grandfathers and uncles often stepped into the role left empty, but now we have fatherless single women raising fatherless children that have no clue what the father role is or should be, so they can’t even begin to imagine an attempt to mitigate the problem because they don’t know what that looks like and none of the men in their lives do either.
The family structure is so fractured that it has no social capital left to draw from in raising children.
What you say is true.
But never forget: I am totally evil.
And I blame my missing dad.