The article mainly discusses how the use of chopsticks has evolved over time. It describes the history of chopsticks, mentioning that they are thousands of years old and were initially used for cooking rather than eating. The text highlights that early versions of chopsticks were likely made from twigs and were used for stirring food in large pots. As time passed, during China's Tang Dynasty, silver chopsticks were introduced, showcasing the evolution in the materials and styles of chopsticks used.
Therefore, the main focus of the article is on how the use of chopsticks has changed over time, from their early origins to the introduction of different materials like silver during the Tang Dynasty. The text does not primarily discuss Confucius's teachings spreading across China, foods releasing hydrogen sulfide, or the connection of chopsticks with peace.