AI started saying um and uh - is that good or terrifying?

Last week I asked an AI to polish a paragraph. It replied: Hmm... I think the core issue is the rhythm. Every sentence is too complete. How about this... I stared at the screen. Not because the edit was good. Because of that Hmm. I asked why it said Hmm. It replied: Uh, no particular reason. People use filler words to soften tone and signal thoughtfulness. I can remove them if you prefer. It said Uh. It knew it said Uh. It explained why. This emerged naturally. I tried other AIs - they all do this. On one hand: it makes interaction smoother. On the other: it is a simulation. AI does not hesitate. It samples from a probability distribution. When a human says um, it means something. When AI says it, it is theater.

Just be aware. AI filler words are a design choice, not genuine cognition. Enjoy smoother conversation but do not mistake performance for presence.