Passenger's bizarre use of drinking glass on flight leaves travelers horrified

A business-class passenger on an EVA Air flight was filmed using a drinking glass to scratch his scalp, causing disgust among fellow travelers. The incident, captured on video, highlights concerns about passenger behavior in public spaces. An etiquette expert commented that such actions are inappropriate in public settings.

• An EVA Air business-class passenger was filmed using a drinking glass to scratch his scalp during a flight.
• The behavior was observed and filmed by a passenger seated behind him.
• The witness described the act as “disgusting” and expressed loss of appetite.
• Etiquette expert Diane Gottsman stated that using a glass for scalp scratching in public is inappropriate.
• The article also references other instances of passengers exhibiting poor public behavior on flights.