[tome]

I've never hired a Haskell developer, but anecdotally from my friends and associates who have, if you put out an advertisement for a Java/Python/PHP developer you get 500 applications from average candidates. If you put out an advertisement for a Haskell developer you get 5 applications from good candidates.

[saberdancer]

You probably got 500 applications for Java/Python/PHP, of those 450 average and let's say 50 good.

With Haskell you just get 5 good ones. You probably don't start with Haskell as your first language but rather move into it after you are a senior in another language. If you are lousy in Java, you probably won't go and learn Haskell or some other niche language.

[tome]

That sounds like a reasonable assessment.

[marcosdumay]

For reference, that got called the "Python paradox" back then when Google was exploiting it. Of course, Python is now mainstream, so it doesn't have this effect anymore.