TOKYO (Reuters) – Former Nissan (OTC:) CEO Carlos Ghosn cast doubt on whether the potential merger between Honda (NYSE:) and Nissan will be successful, saying the plans Nissan have “do not make sense” in a press conference on Monday.

Honda and Nissan announced on Monday the start of business integration talks, two people familiar with the matter told Reuters, as the carmakers strive to survive a rapidly changing industry landscape.