nah, the premise is based on rates only.

and the premise, although glossed over, is that:

In which case, we can ask the question what is the ideal spring rate needed for “warp” modes? Many, including Whiteline will argue that the theoretical ideal rate is effectively zero, none, zilch!
http://www.suspensionparts.info/show...=&threadid=272

so on this basis, WL, amongst others, believe that lowest spring rates (ie close to zero) are best to overcome the issue of individual changes in road surface creating loss of traction at that wheel.

see:

Roll is best controlled by swaybars. Why not springs, you ask? Consider what happens when the car is loaded into a corner in roll and one or both of the loaded wheels encounter a change in road surface through a warp mode? Remembering the law of equal and opposite reactions, a loaded outside front wheel encountering a bump will encounter a significant rate through the pre-compressed spring (car is loaded in corner) resulting in the spring passing on the load to the body that will move away from the road. Result? Lost contact, even if only for a moment but potentially disastrous from a handling point of view when you consider its doing a great deal of the cornering work at the time.
what is not mentioned is that an anti-sway bar not only transfers individual changes in the road surface to both wheels attached to the anti-sway bar, but compounding this is that the movement across the chassis of the single irregularity might lead to a doubling up of the effect fo the irregualrity - on the opposite side of the chassis.

is this not as "potentially disastrous from a handling point of view"?

this is one often cited reason for 'balance' of anti-sway bars with spring rates.

quite the opposite of, as WL cites, a dominance of sway bar rate over spring rate.

still - the proof will be in the pudding...

i am getting a set of 6k springs for my car, to replace the 8k rears, and moving the 8k rears to the front, replacing the 12k fronts... adding a 25mm front anti-sway bar and moving the rear anti-sway bar to stiffest setting...

main reason - better street driving comfort