While on this topic:

[0] https://www.reddit.com/r/scala/comments/98u0lv/is_it_true_th...

[1] https://www.reddit.com/r/scala/comments/98u0lv/is_it_true_th...

On a more positive note, Sam Halliday just published Functional Programming for Mortals with Scalaz

[2] https://leanpub.com/fpmortals