Remember My Space, and how people would put music on their page that blared out whenever you visited their page? Do you ever thinking it was great to hear someone's chosen theme song every time you wanted to look at something? Yeah, neither did I.
If the client insists and you have to do it, I suggest making sure that there is a delay before the video starts, and include a prominent pause button so people can avoid it if they want to. Also, I would let him know that all that video is going to take up bandwidth that he is going to end up paying for. That might be your most effective point to discourage it.
Answer
Remember My Space, and how people would put music on their page that blared out whenever you visited their page? Do you ever thinking it was great to hear someone's chosen theme song every time you wanted to look at something? Yeah, neither did I.
If the client insists and you have to do it, I suggest making sure that there is a delay before the video starts, and include a prominent pause button so people can avoid it if they want to. Also, I would let him know that all that video is going to take up bandwidth that he is going to end up paying for. That might be your most effective point to discourage it.