Palmer nods, accepting the information. So his suspicions that the mysterious gargage can creatures were dangerous is correct, and going by the Doctor's description they make the Fallen look reasonable by comparison. No emotions except for hate.

"Well, I hope they stay out of this place. One dangerous alien species is enough." He changes the topic to something a bit lighter, since he recognizes the conversation's gotten very dark. "I run a mechanic's shop here. Gear Today, Gone Tomorrow. We've just reopened. I was looking for tools when you found me."