I'm late to the party, but some comments:
1) Her claim of a masters from USF is a big step. We can start contacting the registrar offices in all the SF schools and ask if they can confirm that they awarded a masters degree to Sylvia Browne (or any pseudonyms) at any point. They can give that information. That question was as pointed and cruel as possible.
2) The woman who's mother just died and Sylvia said she loved the service: one of the biggest problems that happens with this type of activity is that incorrect guesses that don't get called out can be interpreted as being correct. The whole audience there might actually come out of that place thinking that her mother had a good service, based on Sylvia's comment. How would they feel if they knew there hadn't been one? Her silence on that comment goes a huge way toward perpetuating the fraud. I'm not blaming her on it, it is the natural response. Especially given how so completely idiotic it is. The response is basically stunned silence of disbelief. Unfortunately, it is interpreted as affirmation.
3) The correspondence with the first woman is impressive. The woman starts out as, "oooo, you are being mean to poor Sylvia..." and thinks Robert is just some smart aleck trying to make her look bad. She then finds out that she is talking to someone who knows an awful lot. He's not some random arse off the street, he is, for lack of a better word, and expert on Sylvia Browne. Her change in attitude is shocking.
4) Can those who bought the VIP tickets make a claim against her? What is promised for their extra $50? Is that delivered? She will probably get away with it because she is going to be able to say they get the best seats in the house or something lame like that, but in the small theatres in Vegas, that isn't much of a premium.
When Robert started this, I was skeptical. Sylvia's too big, I figured, and he's not going to be able to do enough to dent her. But dude, you are hurting her, and she knows it. It may not be hitting the pocketbook yet, but it is certainly hitting her foundation. She's scared. And unlike her run ins with Randi, she can't use it for publicity, as a badge of honor. You are just an insect she can't get rid of.
The entire point of asking the question is to do exactly what you suggest. He has seen this claim in many, many books, and heard her say it as well. Anyone who listens to the woman for more than 5 minutes would easily doubt this claim.
If she got a Masters in English, it is my opinion that she
purchased it, because she learned
nothing.
As Robert has mentioned, the politeness of people whom SB gives incorrect answers to does perpetuate the fraud, as you stated. Stunned disbelief, too, I guess. But I tend to think they just don't want to cause a fuss. I'm remembering the woman on Montel whose fiance, a firefighter, died in the attack on 9/11, and her "stunned disbelief" at first, like she was trying to understand what she was being told, and
realization that SB was not psychic and could give her no solice - it was written all over her face!
As for the tickets, by paying the extra $50 you are
guaranteed a question. There is no guarantee for those who pay the "cheaper" price. In the case of our audience, EVERYONE got to ask a question. I guess she was feeling particularly generous that day.
I don't remember whether Robert mentioned this in the article - I'll have to go back and reread it - but one of the things that struck me when the "priviledged" folks were lining up on both ends of the stage was what Sylvia told them. She didn't want them asking what she considered a stupid question: "Is my loved one happy on the other side?" "Of course they're happy! They're all happy on the other side." she said. Her tone of voice was impatient and condescending. But her followers just call that being "down to earth." Amazing.
I like the analogy of Robert as an insect.

That's great! A great big wasp that just keeps on stinging! While he keeps stinging, I keep hoping for that one piece of evidence which will put her in prison for the little time she has left on this planet. Putting both sons and the upper echelon of her organization in prison for a few years would be icing on the cake for me, though I know a very nice man would be hurt if the sons went to prison. I would be sorry about that.