The short answer is that he didn't invent them.
Yes, the use of chopsticks is customary in Japan.
"Chopsticks are a pair of small, thin sticks used for eating Asian cuisine."
rice and chopsticks
Koreans are asians and most asians use chopsticks to eat their food.
Chopsticks.
Chopsticks are primarily associated with East Asian countries, notably China, Japan, Korea, and Vietnam. They are also used in some regions of Southeast Asia and by certain communities around the world. While the exact number of countries using chopsticks can vary, they are most commonly found in these four countries where they are a traditional eating utensil.
People used chopsticks because they were easy and cheap to produce and buy.
no... how about soup? unless you have those chopsticks with the spoon ends on them...
Well how many you would grab use but you just use the same pair.
you don't. you use spoons. Chinese had spoons, but no forks, hence the chopsticks
It's estimated that billions of disposable chopsticks are used and disposed of each day, particularly in countries like China and Japan where they are a common utensil. In China alone, about 80 billion pairs of disposable chopsticks are produced annually, which translates to roughly 220 million pairs per day. This widespread use raises environmental concerns due to deforestation and waste. Efforts are being made to promote reusable chopsticks and reduce reliance on single-use options.