Remember, the far majority of people on the call will be those who do not have the self-study course or the seminar.
Most of the session will be for those people, to answer the questions they have, and give them the encouragement and motivation to go to the next step.
That said, any PhotoReader would have to be pretty dense in order not to reap benefit from what I say.
For example: I know that one of the first questions will be about pleasure reading -- it always comes up. I will answer and give my strategy for novels and one that Charlotte Ward, one of our instructors, uses, which is quite different from mine.
You're right. The book has everything you need to know to learn the system.
But after nearly 20 years of experience, our collective brains probably have 20,000 pages of tidbits. That's one of the reasons we're doing the Retreat. And, even the Retreat won't hit on everything.