well there are many reason's such as people liking the violence, suspence, or the plot, and many more reason's so it all depend's on what they enjoy about it.
Answer:
I think that it is the different types of traits in zombie movies. The word zombie comes from this voodo tradition from the Haitian tribe. The night of the living dead by George Romero started all the zombies we know today I think. Ones in the night of the living dead were slow-paced ones which later are replaced with faster moving for more thriller and action sequences such as the ones in World War Z.
Explanation:
