Hi @inspiracion agree with you good comment are always coming from heart, sincere and have a message. In order to be able to do so people need to have a will to take time and think what they want to put into words. Often it is easy to say rather than to put in words and we need to be couscous that the person do not misinterprets that. I think in general even good comment can be short if it has all necessary points to share and even long comments sometimes could be rubbish, like you probably can recall from previous engagement challenges when people tried to write more and long in order to win the challenge.
It is not easy to be a good commenter but with taking time and effort we all can learn and get better. It was nice to hear your opinion to this topic, see you around :)