I can't speak for all, but I already spend way too much time reading and posting about sailing. Last thing I need is multiple reviews of every freaking harbor I might consider visiting.
Curtis is like GOD dammit! I think we have four versions of that guide -- the last is autographed. There are notes scribbled in the margins of some places we've been to.
I really dislike the thought of having to fire up some device every time I want to find some information about a place.