At some point in the history of the human race, perhaps not until the last man or woman is left standing, we will realize faith is not a virtue.  That epiphany will mark the beginning of a new era when the human species will have matured enough to accept full responsibility for itself and begin solving the problems we create.

Imagine climate scientists today trying to convince a skeptical public (if only that same skepticism were applied to religious claims!) that we are facing a dire future, if we don't stop burning fossil fuels.  Instead of providing data from direct observation, from numerous measurements and modeling, and from experiments to recreate the conditions found in our atmosphere, imagine they only produced an old book as evidence.  OK, an old book and a living tradition based on that book.  That's it.  No observations.  No new data.  No experiments to confirm the claims being made.  Would that be "rational"?  Should anyone believe their claims?  Of course not.