Continuing the discussion from Using ‘they’ in place of ‘he/she’:
Yes, because a good majority of us write technical documents with our work, deal with requirements, or have to send in formal documentation to review committees, so we definitely care!
So although you see little use in it, I see a lot of use in the discussion. I deal with this daily (some days more than others, but definitely daily). In fact, today, less than 20 minutes ago, I was helping someone revise their document to use proper usage so the message they truly wanted portrayed, was portrayed to those who will be reading it.
Things have become very complex nowadays with language, both written and verbal. Depending on who is in the room, you may adjust what you say or how you present it because of the nomenclatures they grew up with.