Well... wasn't numpy, at least initially, a Python wrapper around Fortran libraries? Sure, that made them accessible to a bunch more people, but it wasn't some Python-only wonder. Someone could probably write the same bindings for Haskell, if they haven't already.
The old joke comes to mind:'How do you recognize a guitar player in the audience of a concert? They stand in a corner look at the stage and say 'I also could do that' '
