Crazy people.

[He says that without a second thought. He doesn't even miss a beat, really. Just "Crazy people."]

[But then he thinks more on it.]

I think they were scared of something. All of these temples, thy look like they are asking for help. Like when people are very religious when they're afraid things might hurt them.

It doesn't stop them from being hurt, but they hope something bigger than them can help.