But, why?
RaF #1 and RaF #2 will be linked therefore getting 3x exp, despite the fact that RaF #1 is linked with Veteran #1 (lvl 80)? or will the fact that RaF#1 not getting 3x exp from the VETERAN mess up RaF#1 getting 3x exp from RaF#2?

2. Chain linking
X>A
A>B
B>C
C>D
Pros: Mounts on your first 4 accounts. You can use your main to boost. Main account gets mount. Levels are able to be granted to main.
Cons: ?
(By Wiki), seems to directly conflict with what your saying..