A Harvard Computer Science professor said that AI has "exacerbated" existing tensions that were already hurting interest in the field. Xavier Arnau/Getty Images A Harvard professor said interest in computer science is likely to "ebb and flow." Professor David J. Malan said interest in CS was declining before AI. Malan, who also teaches a popular online CS course, said "the downturn in tech offerings" is also to blame. A leading computer science professor says that AI isn't solely to blame for the broader dip in CS enrollment. "That was preceded, I think, over the past few years really by the downturn in tech offerings," Harvard computer science professor David J. Malan told podcaster Ryan Petterman during a recent interview, when asked about the current trend. Malan said that it "absolutely seems to be the case" that AI is  hurting interest in CS , but that the current dip began before chatbots like OpenAI's  ChatGPT  and other generative AI models exploded in popularity.…