I'm not familiar with Jackie Chan's CCP/Hong Kong history, but I've not seen his name mentioned in quite a while, so wanted to look in to what he was doing on this film. I couldn't find a reference to him on the credits on IMDB. I searched and found a few articles stating that he/his team did not work on the film, only visited the set, which had sparked rumors of his involvement. Assuming that's accurate (and this was just some quick searching), then I wouldn't expect Jackie Chan benefits in any way from people watching this film. His name/brand probably benefits from people thinking he was involved though.