One point that was brought up several times during the meeting was that there needed to be better consumer education on what DRM is and the restrictions it can cause. But, as panelists noted, DRM is really a hard thing to explain to the average, not-very-tech-savvy consumer.
As someone discussing the event as it happened on Twitter pointed out, we've still got a nontrivial percentage of the American public unprepared for the DTV changeover—which has essentially already happened in a lot of markets. And that's a relatively simple matter of "You need to stick this magic box on your TV set or TV won't work no more."
Every day there's a new story of someone buying an e-book only to find he can't move it to a different computer or e-book device. How do you explain to these people what it is they're buying? How do you make the "buy vs. license" distinction clear?