Sometimes life is aggravating. We have choice in how we perceive it. This is mentioned in WDW circles on how we manage expectations and share the park in crowded conditions. We have the power to affect our own experience and not be so easily discomforted.
Taking out perceived injustice by abusing Guest Relations or a store clerk accomplishes nothing good. A valid argument thru the proper channels does. We have a choice in how we deal with disagreement.
Inspired by David Foster Wallace, author "This is Water"
RIP
"...This is not a matter of virtue. It’s a matter of my choosing to do the work of somehow altering or getting free of my natural, hard-wired default setting which is to be deeply and literally self-centered and to see and interpret everything through this lens of self. People who can adjust their natural default setting this way are often described as being “well-adjusted”, which I suggest to you is not an accidental term..."