Fire can get a grip quite fast and kill quickly. In high-rises it can kill quite a lot very quickly.
The latest statistics for fires in high-rise, reveal that fires and injuries have reached an all time low, and a decreasing number of deaths. That is due to how buildings are built and how they are maintained.
The fact is, compartmentalisation is an effective method of preventing fire spread and of preventing the death or injury of "quite a lot very quickly".
So your ascertion that "Fire can get a grip quite fast and kill quickly" is totally wrong in this context.