The thing is, disaffected (hurt) people have just as skewed a view as fanatical proponents. (They have their own kind of denial.)
Through listening to (usually) 12-15 views from folks across the spectrum, a sense of what may be true can be discerned-- that's how my denom makes important decisions about reality anyway, and it's amazing how views may vary while internal BS-detectors are in total agreement-- often at the first vote.
Usually the farther one is from the thing to be discerned, the less accurate can be one's view. What we can touch and look in the eye is the best scale still, despite our societies' current love affair with social media and its messages otherwise.
So if we focus (as Dan says) on what we can actually control (impact, influence, etc), as human beans in all our brilliance we can make good decisions in those things for which we are accountable.