Stern announcing a lower price now would cause even more chaos. It would further infuriate distributors who took the risk on the 10 pack, make people who already paid more than the new price feel like fools and the distributors are only charging crazy prices for diamond and platinums because that's where they interpret the secondary market to be. Distros aren't asking 25K for diamonds because they think the game is worth that but they don't want to sell one for 10 just to watch it get flipped on ebay for 30.
If stern wanted to lower the price they shouldn't have built so few. It's that simple. Whether the distributor gets paid 10 or 25 will make little difference to the secondary market.