The crazy thing is, they think they can just throw manhours at bad planning and somehow make it work.
You can literally plan well, have a good life and still come out ahead of these chaotic organizations that make everybody run in circles out of pure panic.
I have seen this so often in film projects: people believe by exploiting themselves, their crew and their cast they somehow "extract" more value and magically make it work. And that one one the point, relexad, but well-planned project will always achieve better results. Because oh wonder: crews and casts that are not overworked and that use their maximum potential where it matters instead of spreading it out over the whole project will always produce better results.