[Zak]

Without getting in to what those preferences are, that being a different can of worms, I think it's likely that there are trends in the language preferences of great hackers. The existence of these trends means that tools that work well with the languages great hackers prefer will be more popular with great hackers.

The static analysis done by heavy IDEs isn't the only way to have large amounts of information about code available in the editor. Using Emacs with Slime, the editor has a huge amount of information about your code because it's communicating with the Lisp runtime that's evaluating it.