To Give A.I. The Gift of Gab, Silicon Valley Needs to Offend You (nytimes.com)

"But researchers must also deal with the unexpected"

You'd think from this article that deploying a bot is like letting a dog off its leash and you just have to hope that it doesn't bite anyone. In fact there are several common-sense ways to prevent a bot from going rogue, including monitoring how it responds to intents and then making changes as needed.