I understand what you're saying. What I'm saying is, the amount of xp one could accumulate is not enough to make it worth taking away the ability to get the marks from mats, at least in my opinion. If it makes you happy, I definitely agree with you that removing the xp part of the system would make it easier to justify putting in both trade systems, but then once again you are penalizing honest players not trying to cheat the system, just looking to get a little extra love when they turn mats in like they used to get. There's no really good answer.