>I think it's more that it's declarative that makes it simple
..it's no more or less declarative than other configuration languages?
And yes, I get that it looks simpler. I just think that it applies as long as your file can fit in about half a page. As it grows and becomes deeply nested, IMO, that simplicity disappears.
I think it's more that it's declarative that makes it simple. Also you just have to remember simpler rules compared to JSON.
E.g.
Is simpler than Don't forget to skip that last comma! But not all of the others!