Because it's safer thing to do, when people lives are at risk. If it would be having some milk spilled or popcorn burnt, no one would try to make those overly p

Because it's safer thing to do, when people lives are at risk. If it would be having some milk spilled or popcorn burnt, no one would try to make those overly precautious predictions. Also, because the plane has a bad track record, so it brought the scrutiny on itself.