These sort of phrases are fairly meaningless at this stage of the game.
They can be used quite deliberately as red herrings to mislead and put others off the scent.

Perhaps it can even be considered a fair and necessary tactic now if you want to win.
We are entering the cut-throat phase now.
You don't give your secrets away to the enemy at this stage.
It is call my bluff now.
Perhaps it's wise to trust no-one - especially Big Brother.