It's a lose-lose situation. They had their chance to announce it.
Gamer: We want the game.
Nintendo: ...
Gamer: Please.
Nintendo: We currently have no plan for said game.
Gamer: Pretty please, with a cherry on top?
Nintendo: ...
Gamer: &^$* it. I don't care anymore.
Nintendo: It's ready for release in 2 months.
Sales bombed.