Yeah, you were an omnicrafter/gatherer if you are in crafting endgame and able to make armor on release. But it's not particularly fun for someone to level a craft to 70 just to hope that whatever scrip mats sell well now don;t get devalued like hell in a month; ala mihgan infusions already are down 50% from their value, and soon will approach zero because yellow scrips in the long run are useless, same as creation mats. You can make near infinite supply of them. There's no guarantee.

And it really isn't fun running Sigma Normal more than once a week; its a boring tier compared to others except for the third fight, even if it is visually striking. The gear is already limited by a weekly cap, same as rabanastre; not much reason it needs to also be gated by a part cap.