But "Go away I'm a curmudgeon" is an honest signal. Honest signals are required for a trust-based workplace. Whether you want a person to be a curmudgeon at work aside, knowing what they really are like and what they will do when you need something is foundational for trust.
AI washes that away. Everyone replies with AI voice, so nobody replies with honest signals, not the good / helpful folks or the curmudgeon unhelpful ones.