They don't have an incentive to share their view of reality until after they make investments that would capitalize on their belief in that view of reality. After they take those positions though, it is in their best interest to inform everyone about what they view to be real. It would seem to be risky for them to try to take positions based on some false narrative on some aspect of the market because if someone else finds and publishes the true narrative, and that becomes the prevailing sentiment, they would be harmed.