I feel that to a certain point, good technical writing is just beautiful, too. It is elegant. I recently purchased a copy of the Haynes manual for my car and the writing is just remarkable. So much information collated in such a clean and impressive manner. It feels nice to read the book, to engage with the complexity, and feel like you're not being left to your own devices with picking up jargon or trying to understand a difficult procedure. I feel it takes a great deal of intelligence and experience to reach the "beautiful" stage, where your writing is not only accurate, concise, clear, usable and readable, but also expertly organized.