I don't want to know where this Easter Bunny hid the eggs.
You don't want to know where he put the nozzle.
The sign is stupid, but at least we know exactly how much pudding we need to fill it.
You do not want to know where Adam's hand comes from.
When people think 'abortion' we want them to think of our product.
By "we're not quite sure what happened," they mean "we're not sure we want to know what happened."