It is a bot that these communities on discord can invite to specific channels that will index the discussion to provide a search engine interface. Ideally search engines could leverage the answeroverflow API to help people get access to the technical discussion that now happens in discord instead of forums or mailinglists which do come up in search engine results.
I would rather a person in a car hits another person in a car than a car hit a pedestrian because the braking worked the way it should.