First of all, I have to say I *did* like the movie. I liked it a lot. I love that the franchise is being rebooted, because I feel like it desperately needed it. I am, however, bothered that they're not paying as much attention to the tech credibility, consistency and canon as TNG/VOY/DS9/ENT did. Some of the stuff is, yes, dumb. The new engine room is the perfect example.
The way I see it, though, is that we're stuck with this movie. As inexplicable as some of the tech might be, it's now part of Trek canon. We have to find a way to integrate it. Luckily, I don't think it was so far out of whack that it can't be explained in somehow.
I only hope the next movie won't introduce more tech inconsistencies.