According to Wall Street analyst Todd Juenger of Sanford Bernstein, Viacom is “ad stuffing” its shows — even while its networks’ ratings continue to go down. He also claims that — isolated instance aside — Viacom is the sole player engaged in the practice. Programs are running considerably longer than usual due to the volume of commercials packed into them. And it doesn’t matter whether it’s prime time or on one of the company’s flagship networks. It seems everything is fair game for a practice of very dubious benefit.