You don't lose all benefits. Ecosystem often isn't a problem (I don't need high interop, I need this JSON5 file for one specific purpose), and you certainly don

You don't lose all benefits. Ecosystem often isn't a problem (I don't need high interop, I need this JSON5 file for one specific purpose), and you certainly don't lose all benefits: - JS syntax compatibility (low cognitive overhead) - Decent balance between machine-readable and human-readable - High familiarity for developers (if they know JSON, which they likely do, they can work with JSON5 with near-0 learning curve) Plus, JSON5 support is _somewhat_ widespread (maybe ~50% of tools I use support json5 for config?)