Let's be real here for a moment. Amazon didn't implement a system like that 'For The Children', they did it to limit their liability and produce goodwill/leniency/court-appeal for when, if ever, they need it.
It produces a very nice after-effect of additional safety, but it's not the raison d'etre.
It produces a very nice after-effect of additional safety, but it's not the raison d'etre.