This is brilliant, I manage IT systems for hospitals and clinics and hear the front desk staff using analogies like this to put the risk into perspective. For s

This is brilliant, I manage IT systems for hospitals and clinics and hear the front desk staff using analogies like this to put the risk into perspective. For something like this it shouldn't matter if you're even an order of magnitude off, the point is to help the non-mathematically-inclined general population understand how low the risks are in a context they understand (and anecdotally I'd say this strategy works well).