This sounds more like the author is saying "this is where I am at with my skills, and so everyone should adopt them as a baseline".
Maybe for his particular job what he describes is the baseline, but it's much too specific for a general baseline
Maybe for his particular job what he describes is the baseline, but it's much too specific for a general baseline
And an understanding of design and usability is vital, even though we're not the designers, and most jobs I've seen require that, but it's not even mentioned in the article.