I always go by the logic that if we didn’t see anyone die, then no one did.
But that makes it worse. The sequence was a deliberate evocation of 9/11 imagery, a reminder of a horrific tragedy in which thousands of people died before our eyes, which was horribly traumatic for many of us to watch. To recreate the trauma of watching that tragedy, to shove it in our faces for what felt like hours, and yet strip away the one thing that was most important about it -- the fact that many people died -- is an awful thing to do. It trivializes a great tragedy by reducing it to empty, shallow spectacle. And that was incredibly callous and in staggeringly poor taste.
Even aside from that, it's just inept filmmaking to devote such a huge amount of the climax to an extended orgy of destruction that has literally zero impact on the story or characters, that's forgotten about as soon as it's over (complete with the
Daily Planet offices being miraculously intact again). You could cut out all of the city destruction, aside from the parts that directly affected Perry and his group, without losing a single plot point or line of dialogue. And that means, by the most basic laws of competent story editing, that it
should have been cut out in the script stage, or else rewritten to have actual consequences.
1) The first scene (the bridge) illustrate clearly why you can't scientifically explain Superman's powers. Unless he had some kind of tactile telekinesis, the bridge piece would collapse as all of its weight was supported by only one hand.
One hand, two hands -- on that scale, it makes no difference. Still, I would've preferred it if they'd at least shown that he needed to keep both hands in place for balance -- say, he starts to move his hand to wave, but the bridge starts to shift so he catches himself (and it) and settles for a smile and a nod. One doesn't expect genuine realism, but one can ask for at least the facade of verisimilitude.