I can't speak for the others but I'm very wary of "too powerful" languages and language features. They lead naturally to technical debt and security vulnerabili

I can't speak for the others but I'm very wary of "too powerful" languages and language features. They lead naturally to technical debt and security vulnerabilities. This sort of explains how I feel: http://lukeplant.me.uk/blog/posts/less-powerful-languages/ http://lukeplant.me.uk/blog/posts/less-powerful-languages/ That's why my reactionary instinct to "neat hacks" like this is usually one of revulsion (at the language for making it possible).