Sure, my ancestors survived, and so did I, every time I've eaten at such establishments. Why should I care about some hypothetical person? She can take care of herself.

Your EDIT undercuts your argument completely, because it makes clear your utter innumeracy. Abduction is not a thing that USA parents should worry about. Automobile accidents? Childhood obesity? Absolutely they should worry about those, but you don't care because automobiles and lack of physical activity are integral to your comfortable suburban lifestyle.