And here we have an architecture astronaut. Once you get out of academia and start programming in the real world, you'll realize that there are other considerations for determining which programming language to use besides a robust feature set.

So go write your program in Lisp, but don't complain when you discover how few developers out there are capable of maintaining such an application.

Is English, with its hundreds of rules and exceptions, the best spoken language to communicate in? Of course not. But it's ubiquitous, and that's all that matters.