As a little kid did you ever do that thing where you challenge your siblings to a game of Uno, and then deal, and act SO surprised when you have 4 wilds…? And you thought you were a genius and your sibling didn’t know? I did. It doesn’t work in PR. People start asking questions, and as we have all been taught, honesty is the best policy anyway.
The article, Never Try to Stack the Deck when you Conduct Cooperate Research talks about how trying this will loose the trust of the public. It also talks about how negative information can improve a business.