The chatbot was created as a campaign attack on Chan, portraying what Wiener said was her record on housing, public transportation and other issues. 5 Scott Wiener is running to replace former House Speaker Nancy Pelosi in San Francisco’s 11th Congressional District. San Francisco Chronicle via Getty Images5 Wiener said the chatbot was an unconventional way of drawing attention to Chan’s record of “delay and obstruction.” “But our use of an AI chatbot clearly missed the mark,” Wiener said. The clash comes as Wiener and Chan head toward a November showdown for the seat Pelosi has held since 1987.