https://hackage.haskell.org/package/frag
> There are many types of applications where functional languages are perfect, but there are more that it would be a disaster.
Can you give an example or two of an application in a functional language would be a disaster?
> To make broad sweeping claims, such as this article, just encourages unnecessary discourse, and shows the ignorance of the author, and his limited understanding
No, it's an opposing viewpoint to the popular "right tool for the job" and "take the best from functional, best from imperative, and smash them together".
See "The curse of the excluded middle by Erik Meijer".
> As an employer, I don't hire people for their functional programming skills.
I certainly choose my jobs with language and ecosystem in mind.