Sally Kerrigan, for A List Apart, thinks it’s valuable for people who don’t consider themselves writers to still be writing about their work:
Choosing the words to describe your work means you’re doing it on purpose. You’re going on the record as someone who thinks about why they do what they do, and understands how each decision affects the results.
Purposeful work is not only a good and true human endeavor but a competitive advantage—it’s a career changer. I continue to be surprised to see many people float through life and work, not spending time reflecting on the work they do or thinking about what they want to work towards. Just by writing about your work, by doing that dance in your head to find the right words to describe something, you can be thinking through better questions and finding better answers about what you do and how that reflects on who you are.