Boring reason, I guess. : /
The Fiery Furnaces did this three years ago: http://www.thefieryfurnaces.com/site/2009/07/29/band-to-release-silent-record/
At least they did it as a statement. Beck is just doing it for kicks.
Hey silly, your anti-intellectualism is showing!
“Coquelicot Asleep in the Poppies: A Variety of Whimsical Verse” is so overlooked, and also my favorite.
Build a flirtatious relationship with it, culminating in a night of virtuosic and drunken robotic passion. Of course, after that, things’ll get awkward between us- our friendship diminished to terse hellos in the hallway and late-night inebriated phone calls.