Actually it might be interesting. Technically yes if they sold at any price they'd burn through the orderbook and the price would crash.
But if they set a flat sell price then that'd make a buy (edit: sell) wall (price can not go above this amount until all 25 million have been purchased).
They are not buying coins, they are selling them, so it would be a sell wall. The price couldn't go _above_ their selling price until all 25 million (dollars worth) have been sold.
But if they set a flat sell price then that'd make a buy (edit: sell) wall (price can not go above this amount until all 25 million have been purchased).
The sell wall could help stabilize the price.