In short, if they changed it to make it easier to get gear for everybody, then it would be a signal that they expect you to get full gear for all classes.

Instead they keep it slow and difficult, signaling that you are not intended, ever, to have perfect gear.

They only unrestict it at the VERY last moment, just before letting you buy it with poetics, all to drum in that you are not MEANT to put in the effort, that the effort is WASTED, and it is NOT respected.