I just don't tip. Period. Zero. Nada. Unless I have the initiative of doing it because I feel that the person did an excellent job.Zero shame on not tipping.
You realize nobody thinks, that you are the only real human, and all of this is a simulation where you are alone in a virtual reality test room.
This is a reminder that rich people can be as dumb as anybody else.(not that we are short of examples, these days)
TLDW. what would the difference between sympathy and empathy be?