To some extent, I think the rise of 'fake news' or propaganda, or whatever it is, relates to our inability to handle uncertainty. We hear something we don't want to believe, we worry it may be true, then we look for disproof. When we see something we like, we decide that must be true.
We are too ready and willing to stop searching. Real truth is an evolving reality. We have to be searching constantly, scanning in places we haven't look before.
Points: The Inescapability of Uncertainty: AI, Uncertainty, and Why You Should Vote No Matter What Predictions Say, 2016-Oct-31 by Jennifer Wortman Vaughan and Hannah Wallach
Rather than conceal the assumptions and uncertainty in their predictions, AI systems should enable users to understand the roots of this uncertainty and provide them with ways to reason about it more effectively. Longer term, this is an education issue. We need to acknowledge that uncertainty is here to stay and equip future generations to embrace it. In the mean time, though, remember that regardless of how precisely stated, there are hidden assumptions behind every prediction.