WOWEDFactor: Significant Differentiator for All Types of Businesses? Not Necessarily

Specifically, if a person has a WOWEDSighting -"a humanizing, engaging or connecting interaction" at a ... (restaurant, hotel, hospital, call center, car rental airport, visitor center, etc.) does it increase the likelihood that s/he will come back, buy more and/or refer others?

Is the WOWEDFactor a "crucial touchpoint" for all types of businesses?  Is it a path that all should pursue to differentiate and pullahead of their competition?  The answer to all question: not necessarily - it depends on the type of business.