Cosmic Exploration
Wow they really did learn from Ishgardian Restoration, Bozja and the like. I mean sure Cosmic Exploration is just leves and fates in a different dress but you can see the improvements for some of it. I do wish the leves weren't so short though. I'm not sure how people who are lower level or not in base 7.0 HQ unmelded gear is supposed to complete any let alone silver or gold rank some of the DoL A rank ones. I haven't done any of the crafting in there except during the red alerts which I guess is the semi stress free version as even the regular crafting has a short timer. I understand that no you don't have to aim for a gold rating but since you get a nice bonus if you do it helps alleviate some of the grind you'd have to do while gaining enough research points to upgrade your tool for whatever class you're working on.
I liked the Star Trek nods in the unlocking quest and that you only get the two Trek references as choices if you haven't touched Island Sanctuary. There are some things in the unlock and little blurbs some of the npcs say that again are only that way because they know not everyone has done everything. Yet I do wish they had mentioned having asked any of the Garleans living on the moon if they wanted to help with the initiative or that if you had done the Cul/Alch Studium quests that the npcs would be having mentions of mervynbread the newer official emergency meal replacement instead of archon loaf. If they can have dialogue in explaining to Namingway about what the others have been up to since they have been stuck wandering Etheirys for a few centuries if you've done the Loporrits society quests then why not the EW role quest capstone or have a 2nd set of blurbs if they've done the Faculty of Medicine quests. I also feel that you should get the ticket you'd get from doing 5 kupo scratches for a "free" spin from more than just having gotten lucky to be a pilot.
I do wonder if Emet ever ran across Namingway while he was Solus. As that could have been an interesting interaction since it could have been seen as Hydelean interference or being aggressive. Or an opportunity to see if the Loporrits could be tampered with or used for their plans. Since for the most part they kept to themselves either making sure Zodiark wasn't dead or about to break free while building up their accommodations for still presumed 20ft tall people of Etheirys.
Edit: There does seem to have been a small amount of collaboration with some Garlean engineers if you read the blurb on the vacuum suit. The mech you drive when the rock smashing fate happens.