Seems to me these publishers are simply an obvious-in-retrospect symptom of the perverse incentive facing researchers everywhere to churn out publications as fast as possible regardless of quality, as long as the papers fulfill some superficial criteria of "scienceness". It's cargo cult science plain and simple [0]. Meanwhile, Moloch just laughs [1].

[0] http://neurotheory.columbia.edu/~ken/cargo_cult.html

[1] http://slatestarcodex.com/2014/07/30/meditations-on-moloch/