We have an almost incomprehensible amount of information at our fingertips. Making use of that information is another thing entirely. In personal finance, like many other aspects of life, asking the right question is the essential element in decision making.
Faith and hope can take many forms. Belief in “big data” makes it easy to think that if you have enough hard data, the truth will emerge. We see this regularly when people expect there to be a simple, technical answer to how much money they need to retire.