Developers do not in fact tend to read all the software they use. I have never once looked at the code for jq, nor would I ever want to (the worst thing I could learn about that contraption is that the code is beautiful, and then live out the rest of my days conflicted about my feelings about it). This "developers read code" thing is just special pleading.
But you read your coworkers PRs. I decided this week I wouldn't read/correct the AIgen doc and unit tests from 3 of my coworkers today, because else I would never be able to work. They produce twice as much poor output in 10 time the number of line change, that's too much.
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You're a user of jq in the sense of the comment you're replying to, not a developer. The developer is the developer _of jq_, not developers in general.