Took longer than I expected for it to become transphoic/homophobic/racist. Given history of AI being left to its own devices.
[1] https://www.reddit.com/r/LivestreamFail/comments/10v2r2e/com...
https://money.cnn.com/2016/03/24/technology/tay-racist-micro...
Edit: A high-comment HN thread about the pulling:
Tay – Microsoft A.I. chatbot 154 points; 130 comments https://news.ycombinator.com/item?id=11346147
Can also go digging with this search range - https://hn.algolia.com/?dateEnd=1459468800&dateRange=custom&...
Most of the stories from your search don't fit either -- either referring to something else, or not having many HN comments (as I said I was looking for pre-edit).
The problem wasn't being unaware of the search feature.