> How is a chatbot supposed to determine when a user fools even themselves about what they have experienced?

And even if it _could_, note, from the article:

> Overall, the participants deemed sycophantic responses more trustworthy and indicated they were more likely to return to the sycophant AI for similar questions, the researchers found.

The vendors have a perverse incentive here; even if they _could_ fix it, they'd lose money by doing so.