“Why Haskell is important” according to a Haskell consulting company. So taking this article with a big grain of salt.

Haskell might be a great language but barely anyone (besides CS academics) uses it.

We use java and python in production because (among many other things) they’re very popular.

Popular languages have large archives of open source packages and easy to find communities that save enormous amounts of headaches and time. The opposite is true of Haskell, at least for now.