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.
“We had at our disposal the first operational jet, which superseded by at least 150 knots the fastest American and English fighters. This was a unique situation.”
“For 'King Cole's American Salvage,' I rode around in the wrecker with a local driver and watched him deal with customers and hook up the cars. I watched the guy who tore apart the cars in the junkyard. I also wrote poems about those guys. I loved hanging around the yard.”