> relatively new language like Haskell Haskell is not a new language, in fact it is older than a lot of the languages most commonly used on the web: Perl first appeared in 1987 Haskell first appeared in 1990 Python first appeared in 1991 Ruby first appeared in 1995 PHP first appeared in 1995
> Hiroyuki does not seem to be excited about learning Haskell Hiroyuki doesnt need to learn Haskell.
> cost of maintenance would be prohibitively high The code is on github and can be maintained by volunteers for free. Also, I am responsible to maintain the code now, and my cost is not prohibitively high.
> Haskell is not stable enough Haskell is stable. Haskell is used at Facebook, Google, AT&T, Bank of America, Microsoft, IBM, New York Times, NVIDIA, and many other big companies. These companies would not use unstable software.