I've used that quote from Berners-Lee in a presentation before; it's one that I tend to agree with. However, I think you've drawn the wrong conclusion from it.

I've used that quote from Berners-Lee in a presentation before; it's one that I tend to agree with. However, I think you've drawn the wrong conclusion from it. We want to choose the least powerful language for the job, but the least powerful language is frequently domain specific. Ideally you'd want to develop within a framework that makes it easy to develop restrictive, domain-specific languages. I'd suggest that Lisp is actually a good basis for this, as S-expressions make it easier to build smaller languages. Clojure in particular seems to be heading in this direction. Cognitect has spec and datomic, and there's been some interesting ideas from Christophe Grand (IIRC) about using relational programming outside the database.