I don’t want to spoil anything so you can read this email from a reader below the fold:

Not sure if you caught it, but when on the ferris wheel, the camera does a quick pan of the ocean where one can see something hurtling into the water right off the edge of the image. Reading symbolism into that shot, it could be extrapolated that the destruction which occured was right under their noses and everyone could/should have been aware of what was to come but weren’t because they were too wrapped up in themselves.

Me: Yeah I did miss this, but several readers have since pointed it out t o me. Wish I’d known, though I think this reader gets the symbolism right and it doesn’t really change my overall reading of the movie.