Nel grinned at Apache. "Kreeth," she said, answering the question of who was winged. "She's an Aegyl." Her wings were quite impressive. "A bit creepy," Nel admitted, "but she's a scientist and she hates Hojo, so she's all right."

That was the benchmark, as far as Nel was concerned. If a scientist hated Hojo, they were probably okay. If they were like Szayel, and practically spaffed themselves over Hojo, they definitely weren't.