Might be true ... in my experience all these things are so haphazard that to make a guess how CIC works is futile. I have seen applications getting PPR well within 6 months even after 2/3 ADRs and I have seen people saying applications get delayed because of ADR. I have seen applications languishing and gathering dust after having a review required on stat question and then I have seen similar applications getting PPR within 4/5 months.
So who really knows? It is all a black box with no real visibility or transparency to the inner workings of CIC. I used to believe some of this stuff earlier but not anymore. All these things are made up and a way to justify the ways of CIC. I don't know why people feel so emotional and try to defend CIC but my view is there is no method to this madness. It is all a random chance on who picks up your file.