I am going to have to disagree with you about re-rides screwing up everything. When I was there on Tuesday (using a gold flash pass), whatever ride I was at, the employees would let the rest of the guests waiting know about the platinum pass re-ride policy (if there was a plat pass group riding). I saw a lot of groups with plat pass too. With the employees letting people know of the re-rides, that would give you ample time to rearrange your group if needed. I just think of the re-rides as an added bonus.
My friend and I purchased a gold qbot on Tuesday since I had an add a friend for free coupon. I'm glad we did! The park was busy and it made our day much more enjoyable. I didn't hear anyone make a complain when walking through the flash pass line, and really I don't care if they were upset or not. I've waited in line before while loads of people with qbots have walked passed me. Yes, SF is expensive, but so is Sea World, Universal, Disney and Cedar Fair. If a family is there on vacation then there's a good chance they will spring for a skip the line pass. If you're a local, you typically don't unless it's a busy day and you have a friend or two in town and would like to enjoy your day (like I did). It's all what you make out of the situation.