I'll say this. Antoine Fuqua certainly knows how to create thrills and suspense. Unfortunately, Olympus Has Fallen really feels like a feeble attempt to remake the first Die Hard.
If you're watching this movie, the first thing you need to do is to turn your brain off. The scenario is completely absurd and implausible. Just sit back, and enjoy watching Gerard Butler kick some butt and deliver a couple of zingers. But aside from that, it's another attempt at mediocrity.
If you don't turn your brain off, you'll just find all the reactions of the characters don't make sense. I'd tell you what those absurdities are, but I'd just be telling you the whole movie.