Hollywood political correctness rears its ugly head once again
In real-life, it was Andrea Fletas who chose not to sound the general alarm when all the magenta warnings because, in her words, it was "overwhelming", and "a lot to take in", and didn't do it until after the initial two explosions and people were already dead. The movie doesn't portray this however. What they do is create some white guy that tells her to not sound an alarm (which didn't happen in real life). Why? Because they didn't want to show a minority in a poor light, even if that's what happened in real life.