Because in neither case has anyone actually even made a coherent argument for a causal effect that doesn't ignore all the other factors? Besides, when "all the

Because in neither case has anyone actually even made a coherent argument for a causal effect that doesn't ignore all the other factors? Besides, when "all the evidence points to the contrary" is usually a bad sign... There are a lot of things you aren't able to disprove that are (probably) not true.