I very much agree, they take far too long for the minor benefit they give. I've spent all of my points I've ever gotten to enhancing my Magic Accuracy(RDM) and I've only hit rank 4 thus far. The fact I've spent so long and only gotten an extra 4 Magic Accuracy out of the deal sucks big time and it's no where near ground breaking for my job. I hope this changes soon because otherwise I'll likely never give much thought to this system, thus far all of my points have been from Skirmish & Delve, and it seems like for now it's going to stay that way.