Just to keep beating the horse, the "white" layer that is put down first is the primer, no?
I don't think I accept the theory of "no white layer" above primer, either.
In Kevin's pix, the areas under the posts are cream too. And it appears the white stripe of the balls is white compared to the GI areas.
The "4X" is much whiter.
Every 8BD I've ever seen had cream GI areas.