I don't think that tracks because the reason people like Go is due to it's lack of expressiveness. It feels like expressiveness is the quality of a language to

I don't think that tracks because the reason people like Go is due to it's lack of expressiveness. It feels like expressiveness is the quality of a language to allow the programmer to change the behavior of the language constructs themselves. Python __getitem__ would be a good example allowing the programmer to control [].