I would argue babel is not a language, but a tool that compiles based on a specification. By default it has no opinions on syntax or language features. The best

I would argue babel is not a language, but a tool that compiles based on a specification. By default it has no opinions on syntax or language features. The best reason to abandon coffeescript for javascript (note I didn't say es6) is because it's a better business decision. More developers know Javascript. There is more faith in the future and advancement of javascript than there is in coffeescript.