That's what we wanted to get across in that moment, particularly when Shaun goes to the shop when he's all hung over. He doesn't notice any of the zombies around him just because he never had before, so why should he at that point? ↗
I go to conventions and universities and talk to young filmmakers and everybody's making a zombie movie! It's because it's easy to get the neighbors to come out, put some ketchup on them. ↗
I sympathize with the zombies and am not even sure they are villains. To me they are this earth-changing thing. God or the devil changed the rules, and dead people are not staying dead. ↗