It is not about PR or rank or java script or anything else complicated like that....it is about MONEY plain and simple. Type in any compeitive keyword and see which listings come first all highlighted in that nice rosey beige color.
Well yes - and we can all charge for such "non links" forever more without penalty Think logically - these are trusted POWER domains - clearly they have more leeway than most normal sites. It really does all boil down to LOGIC