Yeah, not every proprieter reads every forum or book or listens to every podcast, so the last book or info they may have learned may be in Papazian from 30 years ago, Heck even Palmer has learned stuff since he wrote how to brew, and has said things on podcasts that he admits contradicts what he wrote (look for the Basic brewing podcast called, "What is an Ibu, Really?" it will blow your mind....This is an ever evolving hobby...Places like this is where you find the most state of the art information/wisdom about brewing, because of the sheer number of us trying new things, hearing new things, and even breaking new ground and contributing to the body of info on the hobby...Look at some of that inventions that came out of here, and then ended up later in BYO articles by our members...
SO yeah, over the last few years there's been a shift away from the autolysis bogeyman and into letting the beer sit in primary longer, rather than a secondary...and in 5 years or 5 months the pendulum may swing to something different.
But for now, longer is better.