To remove the concept of lies and it's shadow, which is a whole lot of reality of humans. Hell, it's the reality of reality. Think of all the insects that developed eyes on their wings. Purging that concept in all it's form seems like a lot of work.

"Where is the wolf?"

"Is he still in the grandmother's house?"

"We would like to speak to him."

(btw Google's "AI" explains the meaning of that moment/sentence perfectly as if it gets it, creepy)