Here’s the outlook for the editorial profession from the U.S. Bureau of Labor Statistics.
A good blog post about the differences between style manuals and grammar guides: http://blogs.kansas.com/grammar/2012/06/04/style-and-grammar-or-why-lots-of-things-arent-wrong/
Copy editors provide a safety net for a publication, catching most of the problematic stuff dropped from above. They are a curious breed: trivia experts, steeped in popular culture (helpful for pun headlines, none of which Google gets), usually voracious readers, often unappreciated.
A copy editor’s work is largely invisible, until she misses something, in which case she takes the blame. But most important is that a copy editor stands in for the reader, gingerly reshaping, clarifying and correcting things before the reader can see them and post an excoriating comment.
Read the full article here: http://www.cnn.com/2012/06/01/opinion/perlman-romney-needs-editor/index.html