>>54849692Not really, The Indigo Disk release is just a reminder, everyone who wanted The Hidden Treasure of Area Zero bought it after it was announced months before those games, or when The Teal Mask was released with surprisingly good fan reception.
The amount of people who ignored the DLC announce AND the release of the first part only to wait for the second one before deciding to buy it must be pretty insignificant.
Also it's Pokémon, so it's gonna sell anyway.