I think he wanted it to be something different than js, hence the focus on strictly data exchange. Why not use js for config instead of json? It's your app an

I think he wanted it to be something different than js, hence the focus on strictly data exchange. Why not use js for config instead of json? It's your app and your config so if you want it to look like json + comments + trailing comma you can. With so many options for config files like yaml, xml, heck even sqlite it does seem a bit silly how much json is used. Herd mentality.