Most of what you said makes sense to complain about, but...
This is just a lack of understanding of what SE was trying to do. You were going to a land of despair and they wanted you to feel despair. The problem is you were feeling happy and confident. In order to change that, they had to kill the scions. Once you had made progress through the area, in order to make you feel hope and like there was a light at the end of the tunnel, they had to introduce the possibility they would come back.
Bugs and glitches exist. You would struggle to find actively developed applications that don't actively have to receive bug fixes.Omega Protocol Ultimate with bugs and glitches upon release
You should understand that the Moogle tome rewards are all things that exist in the game already and are intended for newer players to catch up their mounts, minion and other rewards to veteran players who already have them, in exchange for helping to queue for duties.Copy Pasted rewards yet again during events like Moogle tomes