The more that I train in Martial arts the more I question the idea that the higher belt is expected to give unsolicited advice, and correction to the lower belts.
This is a difficult position to place both the higher, and lower belt student. For example, the lower belt student could be struggling with the concepts that were placed before them by their Instructor such as keeping their arms in control during a kick. Then the higher belt comes along and brings attention to other aspects that may need correction. This shifts attention to a different aspect than the one that the Instructor had wanted to see improvement. Instead of benefiting the student, and enhancing understanding on the concept that he/she was working upon, now the student is dividing their energy to try to meet all of the expectations.
It would have been better if the higher belt just allowed the lower belt to work on themselves at the speed, and direction of the Sensei. Usually it will happen that when the mind focuses attention on the arms, then the other parts of the body may look a little awkward for awhile until everything smooths out. To have a higher belt reminding, and reprimanding about those other aspects makes it difficult to focus energy where it is supposed to be focused.
The higher belt also is putting forth energy in the wrong direction. They become more centered on the performance of others than on their own training. Instead of learning the main lesson of the day, they are worried about other things that are happening around them.
Yes, it is good to offer help, especially when the other student is struggling, and becoming frustrated with their efforts. Sometimes, all that it takes, is a little pointer in the right direction, and then the other person has an "aha!" moment. Also, it is good to point out some things that the lower student is doing that could cause injury to themselves. But I have found that it is best to remind myself that I am not the Sensei of this class, and it isn't up to me to teach my fellow students, in fact, it is my centered goal to work on my own skills.
When I was teaching as a Sensei I had a goal for each class. Let's say that I would want to work on the student's speed, and therefore I would overlook any technical mistakes that may happen as the student worked on improving reflexes. I would find it a little frustrating when a higher belt would correct a lower belt at that moment because everything would slow down. I'd have to state out loud "Please remember....do not worry about technique, or the placement of your feet, but work on your reaction speed." Also, I found that the noise, and actions of the higher belt/ lower belt was distracting to the flow of the class. There were times where, as a Sensei, I would be explaining something to the class, and I'd have to stop, and wait for the higher belt to finish correcting the other student before I could continue what I was saying. I appreciated the higher belt's concern for his/her fellow student, and of course, the higher belt would notice that he/she was being distracting, and stop what they were doing. However, the effect happened, the flow of the class was affected, and we had to regroup to continue.
As a student, when I would warm up with kata before class, I would find it distracting, and bothersome to have higher belts come up to me to correct my kata. All I wanted was to "do" the kata, enjoy the effort, and warm up my muscles before class. I was not focused on improving the kata, or perfecting it. I wanted to "sing" the kata. There are times when one just sings a song regardless to how good they can sing, and then there are times when one works on improving the singing. During these moments, I truly wanted to tell the higher belt to "keep their advice to themselves." It ended up that I just refused to do kata in front of any higher belts unless I felt inclined to being corrected. Sure, I appreciated that the higher belts wanted to help me. It was nice to see them investing their time, and energy towards helping me improve, but during those "singing" moments, I didn't want to stop, and dissect.
Therefore, I've become less generous on advice now when I train with lower belts. I assess the moment, the goal of the Instructor, the atmosphere, and the look on the face of the person across from me. I ask myself "Does this person look like they would appreciate some help at this moment, or are they intending to figure this out on their own?" If I have any doubt, I will ask the person "Would you like me to give you some help here?" To my joy, I have had more than one white belt say truthfully, and even with a touch of gratitude, to me, "No.. no.. I would like to slow this down, and figure it out by myself right now." It was wonderful to see their honesty, and to be able to respect it. Later on, when that person was ready, they would approach me and say something like "O.K.. I got that part of it, but how do you do this?"
I believe that many higher belts have a "sempai" syndrome where they feel like that have to be a teacher. I do not believe that we have this role in the dojo. The Sensei is the teacher, not us. I would like to believe that we are more like facilitators. We give the lower belt students a good example of what to do, and how to do it. We offer ourselves as supports through encouragement, and even suggestions when needed. We train hard so that we can improve our knowledge, skills, and abilities. However, we need to remind ourselves that each student is paying the Sensei to teach them because they want to learn from him/her. We are the side dishes, not the main course.