jq doesn't come pre-installed with every OS, python's json.tool does. So it's always there when you need it, no installation required, which is why I put it the same category of all those classic command-line tools.
impossible to understate the value in: not frequently fucking up your ability to run the critical/mundane/everyday/musclememory commands you've come to rely on after maybe 100+ invocations/week as far back as you can remember just because someone you've never met wanted to bump the .ruby-version in your java monorepo