Perhaps the logical conclusion of everyone looking the same is everyone thinking the same.
Scott WesterfeldSo, there was this beautiful princess. She was locked in a high tower(...)She was stuck up there(...)So the only thing was to jump.
Scott WesterfeldShe turned to Frizz. "So you understand the problem? You can't let Tally know about Radical Honesty. There's no telling what she'll do if she finds out you could ruin her plans." Frizz's eyebrows rose. "So let me get this straight, Aya-chan. You want me, a person who can't lie, to lie about the fact that I can't lie?" "We need another plan," Hiro said.
Scott Westerfeld