There was something in that thread that suggested that if you leave the Fighter Pilot INACTIVE, you don't share XP. For CREDITS, it doesn't matter whether they are ACTIVE or INACTIVE, but obviously Frontier has separated XP and CREDITS in this scenario so MAYBE it is true...

Long system spec sig follows:

PowerSpec G436
Lian Li ATX 205
Intel Core i7 10700K 3.8 GHz
Nvidia RTX3070
Windows 10 Professional 64 Bit

Flight Gear:

Cougar Hotas S/N 26453
Thrustmaster RCS Rudder Pedals