Originally Posted by RangerNS

As I suggested above, comparing to pharmaceutical testing, I think they have simply not done the calculations.

Or the napkin level physics calculation lost out to the napkin level PR calculation. Regulators and airlines both see it obvious that projectiles (babies, laptops, coffee pots) are dangerous, but what is more dangerous is angry families needing extra seats and special equipment.
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Until there is a documented crash report containing harm or death of a baby and/or other pax because of a projectile baby, nothing is going to change.