However when it comes to zombies every storyline I've seen even though yeah the scenes are creepy as fuck for me at the same time it's a case of why are the survivors the most stupid people on the planet? If they had half a brain like you point out they would switch to medieval weapons and armour which zombies can't bite through and then it would be over in five seconds, especially proper plate armour you can put on easily thanks to modern design.

Or you know just set up crew served weapons and destroy every zombie to the horizon. Too bad the military in these stories never thinks of that.