The pirates have outnumbered the watchdogs. If you don’t believe that, ask the watchdogs. They’ve been toiling in vain to stem the onslaught of viewers flocking to free streaming websites in order to enjoy the latest episodes of “Game of Thrones”, “30 Rock” or “Dexter.” The watchdogs can’t possibly keep up—they’re overrun like a hobbled survivors fleeing a horde of zombies on AMC’s “The Walking Dead.”