Well I m not sure And I m not sure its worth figuring out because I am not convinced that all edit summaries have to help If that were the case it helped in at least a couple senses 1 it expressed my strong disagreement with the edit I had undone you had re done and then I had re un done 2 it served as an indication that following your edit summary I read the article to which you directed me and found that it did not support the assertion 3 it generally lets people know that I am not a nice guy