To people questioning/distracting the whole issue by giving undue weightage to opening of the overhead bins by passengers:
Did they not survive anyway?
There's an old adage : "If the map doesn't fit the ground, the map must be wrong!"
May be our presumption/hypothesis that 'in taking the baggage the people will compromise theirs and others lives' was scientifically proven wrong
Not promoting such practices 'considered' potentially unsafe but many a times what we think is wrong may not be so! Suffice it to say that the world suffers from presumptions, prejudices and the wrongfully derived inferences swiftly and thoughtlessly morphed into rules, regulations and even laws!
Your mileage might vary