http://www.huffingtonpost.com/susan-kraus/why-rick-steves-is-wrong-_b_5419488.html
I'm waiting to see if she took in some of the live Schlager performances in Rüdesheim that keep the stag and bachelorette parties entertained. Also refreshing to see a published writer give some credit to the Rheingau (pre-Bingen Rhine valley).
I suppose this "difference of opinion" could be attributed to the fact that travel is a very "personal" thing, and there are often differing opinions on destinations and sights anywhere.