He's not saying that using Vim will make you a better hacker. You're the one who's confusing remarks on correlation for causation.
Its probably likely that there is such a correlation; those who are willing to put in the time learning vim/emacs are probably those who spend the most time coding, and thus have the most practice.
Its probably likely that there is such a correlation; those who are willing to put in the time learning vim/emacs are probably those who spend the most time coding, and thus have the most practice.