> […] the reason they don't use Haskell more is because the libraries and ecosystem aren't adequate.
The adequacy of the Haskell ecosystem really varies depending on the kind of application that you want to develop. If you're writing a compiler or a web service, Haskell is a pretty good choice.
This [1] is a nice overview of the state of the Haskell ecosystem.
Let me also plug two more links [2] [3] that explain why Haskell is actually a very good choice for (large) commercial projects.
The adequacy of the Haskell ecosystem really varies depending on the kind of application that you want to develop. If you're writing a compiler or a web service, Haskell is a pretty good choice.
This [1] is a nice overview of the state of the Haskell ecosystem.
Let me also plug two more links [2] [3] that explain why Haskell is actually a very good choice for (large) commercial projects.
[1] https://github.com/Gabriel439/post-rfc/blob/master/sotu.md
[2] https://www.fpcomplete.com/blog/2016/12/software-project-mai...
[3] https://www.reddit.com/r/haskell/comments/54umkh/haskell_for...