It's really to maintain JSON without being allowed comments. JSON is fine for transmitting data across the web, but if you need complex configuration data in ve

It's really to maintain JSON without being allowed comments. JSON is fine for transmitting data across the web, but if you need complex configuration data in version control that many people work on, you need comments so new teammates can be easily onboarded onto a project. There's definitely a need for something that is programming-language-like, but entirely about structuring and formatting data for configuration. YAML is the closest thing to that. It's not perfect, but it works better for that purpose than JSON or XML.