I see media as being at least partly behind this. They can't advertise toys and games to kids on PBS. Regardless of how much time kids spend watching ads on non-PBS channels, there could always be more. The broadcaster hunger for these ad dollars can't be greater than now, when kids and their parents have other media vying for control of their time (internet video, I'm looking at you). It's completely in the wheelhouse of broadcasters and cable providers to try to meddle with policy through lobbying and strategic placement in policymaking positions. If only our government were transparent enough to follow the money...