"An item is relevant if it is different between or among decision alternatives.
That item is not relevant if it is the same between or among decision alternatives."
We have more information available today than ever before ... Yet that is not always to our benefit, for much of the information may have questionable accuracy and/or value. How do we determine what to use?
Looking at the above Quote, can you think of any situation, when you would not use the above guideline as stated?
If you did choose to NOT follow the guideline, would the resulting decision truly be relevant? How so?