A hard truth had hit many of them in the room, and they were left to contemplate everything they had just learned. At that moment, a lot of them actually agreed more with Sarah than with Humfree standing in front of them.
Perhaps it was because they were human rather than zombies, but even then, when they thought about everything that had happened in the city so far, the cause of most of their pain, in their minds, was the zombies.
The zombies were the ones who attacked, killed their loved ones, and did whatever they could to survive. Some of them had to kill their own family members and friends because they were no longer recognizable. Whereas for the demons, they had only heard a few stories of people encountering them. Wendy had fought against one herself. Sure, they were strong, but they were few in number compared to the zombies, which was why she saw them as a lesser threat.