I would argue otherwise.
Wikipedia is incomprehensibly large. Perhaps the largest database of vetted human knowledge ever.
I know for a fact you can find inaccuracies and biased information if you look for it. But it’s rare relative to the amount of information that exists there.
I tend to agree but I don’t know if we can say that for sure.
Incels who want media attention is one way you could frame both types of killers.