I think there are only a limited number of people who eat with chopsticks, but I think they are probably not Japanese. The dining etiquette of using chopsticks has existed in Japan for over 2,000 years, and there is no Japanese person who does not know this etiquette. It is forbidden to touch your chopsticks directly to the food on the large plate, so if no one in a family-like group follows this rule, they are probably not Japanese. For food served on a large plate, the dining etiquette is to use the provided chopsticks. Incidentally, it is also unthinkable to place food directly on the table. The worst thing is that their way of eating seems to be very dirty, so if they came to restaurant in Japan, they would probably be kicked out. The reason I felt something was wrong the moment I saw this video was because they were doing something that Japanese people hate. It was not about whether they followed the dining etiquette or not, but the way they used chopsticks at funerals, which Japanese people would never do, that made an impression on me. If a foreigner watches this video and comes to Japan with the wrong way of using chopsticks, they will probably find the Japanese people around them extremely repulsive and dislike people who use chopsticks in the way.