So as not to clutter up the rules changes thread, this is something i think should be discussed in further detail here. I will find quotes from the other thread and paste them here as well so there's context as people not in that discussion don't think i'm just pulling extremes out of my butt.
since the example given here is obviously directed at blood angels, it's because of the red thirst, it's because genetically BA have an affinity for flight(or in this case long powered jumps