Aren't there TVs that will automatically adjust the volume for this very reason? That is, if you aren't skipping the commercials with a Tivo anyway.
Do we really want the government telling us what to do on that level?
An interface. That's all they invented was a great interface, and then slapped it on a phone. That's why the phone in $500, not because it's also an iPod like Jobs was trying to sell it as. Yeah the price will go down eventually, or at least the price will stay the same long enough for the rest of the market to inflate until it seems like the price went down.