The other day I saw my young nephew on Tiktok. There is this thing that happens once in a while when you see two pictures of fashion and the child has to point

The other day I saw my young nephew on Tiktok. There is this thing that happens once in a while when you see two pictures of fashion and the child has to point with its finger which one they prefer. This thing goes on for a while. I found it weird and was wondering if other also noticed this?