28 Weeks Later

Near the beginning of 28 Weeks Later, the two main characters do something SO STUPID that it becomes impossible to root for them and/or sympathize with them for the duration of the movie. Throughout the story, these two stupid characters encounter numerous obstacles, all of which are rooted in people making the most counterintuitive, ill advised and judgment-impaired decisions any humans have ever made in the history of man. And so I ask you, humble blog-readers, who are the TRUE zombies?