You said "If a robot replaces a human job, a red warning light will turn on in the economic cycle of society. Robots serve as an assistant to help humans work in accordance with the modern society in which humans want a lot of work in a short time. If robots do more than that, they create unemployment problems, and further, there is a big obstacle to the economic cycle of society." However, the need for robots in many places will lead to new jobs with advances in robotics-related fields, which will give them a wider range of employment choices. If people who will lose their jobs to robots slowly learn about change and learn about robots, they will rather have a chance to have a job with a good future. Therefore, It can reduce unemployment problems of robots to replace human in the workplace.