The biggest flaw to these type of zombies
The reason why this series sucks so much is because of the friggin zombies themselves.
What was their main objective?
TO EAT BRAINS!!!!
Nearly every death that involves the zombies is them eating the SKIN of their heads and then moving on to the next victim.
WHAT THE FUDGE?!?!?
That's not eating brains, they didn't even get pass the skull.