Really, all they needed to do was have the flying island give currency for the settlement you find it in, or at least have a chance to do so, would have fixed up Aztech and all previous settlements nicely. It's nice when things are made easier with progression - can work on the GB to make Settlements require less babaysitting. That and the fact that the only way to get more goods daily from Aztech, is with diamonds since the goods do not 4x from the minigame.
If you couldn't 4x loot in Eygpt, it'd still be possible to gold just a lot slower, a lot a lot.
Really, after Aztech I am hoping the next Settlement is a breaze. And not just even more babysitting and an even higher diamond/luck requirement. Imagine if the first shrine took four hours to build or something.