Ladies and gentlefolk: the American Education System.
In all likelihood though, they just cherry picked the worst person they could find. The Gen z folks I happen to know are all extremely well adjusted, kind, more empathetic than I am and seem to have been able to see the writing on the wall for their future lives way sooner than my peers and I did.
Admittedly, it only takes a few psychopaths to undo all of that, so like any generation it's probably a wash.