I don't think anyone wants a reader to be completely lost - certainly not to the point of giving up - but there's something to be said for a book that isn't instantly disposable, that rewards a second reading.
“Our role is to develop techniques that allow us to provide emergency life-saving procedures to injured patients in an extreme, remote environment without the presence of a physician.”
“If you've become a huge act and you're still doing the same music you wrote with your friends when you were making zero dollars, you're lazy.”