My personal conclusion is that (unfortunately for people who care about quality and craftsmanship) in many industries it's enough for software to be "good enoug

My personal conclusion is that (unfortunately for people who care about quality and craftsmanship) in many industries it's enough for software to be "good enough". The rest can be covered with sales & marketing. However I think you misrepresent my comment. I offered a comment pertaining especially to the idea of discrete levels of seniority and that of a single dimension of seniority. My examples with QA, Java 6 etc. were illustrations, not the main point.