Originally Posted by
beep88
I have no idea about the specific tour you mentioned but in general, people like a tour because the guide has very good social skills, but you have no idea if the information provided is accurate, or merely to entertain the guests with tales.
I think most people like a tour to be both informative
and engaging. With a good guide you can have an enjoyable time and understand things that you would have sailed straight past on your own.
Although I haven't taken his tour myself, I've corresponded by email with Naoto Nakamura and introduced a couple of people to his tour. They were very happy with it. I think he's the guide that the OP is refering to. Here's what you could expect from his tour:
www.youtube.com/watch?v=f8eAMttTluk#t=2m30s
Is it worth 7,500yen per person? Depends what kind of person you are, I guess.