Oh, the quiet car. I ride the quiet car every weekday to and from work into and out of Chicago (except ours is Metra, not Amtrak). His description of it is completely accurate. The people on the quiet car tend to be thinkers, readers, writers, and I dare say just a bit more intelligent than the average rider. I've had the same experience before. For some reason people think the signs and the announcements don't apply…
While we're on this subject, a related rant/question: Why are so many people so totally oblivious to so many announcements, signs, and otherwise? You've all seen it: Boarding a plane, for example. "Ladies, and Gentlemen, we're boarding rows 1 - 5 now. Thanks." And as sure as Spring, there will _always_ be someone from row 324 who gets in line. The staff are far more polite than I'd be: "Sir, we're boarding rows 1 - 5…
If you get in line for rows 1-5, and your ticket reads 324, your worst case scenario is standing in line until they call your rows. The best case scenario is guaranteed luggage space and convenience.