All my reports are justified by an appropriate comment, reflecting the problem. Basically, based on Unofficial list of (official) Bitcointalk.org rules, guidelines, FAQ, I am writing comments like "Breaking rule 2. No off-topic posts." / "Breaking rule 32. Posting multiple posts in a row" and so on. Even for these spam there is a rule - more important, the very first rule of the forum - "1. No zero or low value, pointless or uninteresting posts or threads". In this case, sometimes I comment the reports with "Breaking rule 1. No zero or low value, pointless or uninteresting posts or threads" or I simply write "Zero-value post".