The longitudinal Luo’s can be viewed through a psychosocial lens. The progression starts at
Survival- Lu, LI, St, So
Then onto
Interaction- Ht, SI, BL, Kid
Differentiation- Pc, SJ, GB, Liv
Where Lung is the first in the sequence and Liver the last, you could view that as most superficial to deepest in terms of psychological illness. I think this might ne the theoretical progression you mentioned. The way I’ve interpreted the progression is, as disconnection to spirit deepens, other luo then become affected as the body tries to protect itself from the emotional pathology.
I suppose also, that nothing occurs in isolation, say if you’re personal boundaries are compromised that will affect you in many ways on many levels, so impacting several luo channels