I guess it could have been even more unrealistic...
....for instance, the buildings could have fallen up, people falling from 20 floors up could have survived, and the daughter could have grown gills and found out she could breathe underwater.
But even complaining about things like that, there would still be those who would say "don't nit pick, it's just a movie, it doesn't have to be completely realistic!"
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You spell God with a G, I spell Nature with an N. Capital. - Frank Lloyd Wright