If they really wanted to reduce inventory issues for repairs, why did they still make five different variants of the same item still for repairs instead of one? Also the name for these new "Repair Kits" essentially could have been used for something so much cooler.
As for my judgement on how this will all work out, depending on the prices for dark matter sold by the NPC or the rarity of gathering them, this might make the system of repairs really worthless or a serious gil sink. All I know is that I'm going to fix up all my equipment just before the patch in case the latter is true.