There is also the opposite, Ed Kmett is on record as saying that he had a million ideas for his personal programming language, and all of the cool stuff it was going to do, but then he ran into Haskell and said “Let’s be real, whatever amazing language I make isn't gonna be half as put together as this and I have this one already in front of me...”

I took the article as being aimed at domain specific languages. Kmett's lens library is just such a DSL