If they do the following, then they learned their lesson from past Eureka:

-Leveling doesn't take an eternity.

-The zone isn't a complete and total death trap. New Eureka is a battlefield, not a wild monster enclosure packed to capacity.

-Death doesn't de-level you. Losing exp is fine, but losing a level is a step too far.

-Special FATE drops aren't abysmally low. I mean, they can be rare, but not that rare. It was, and still is, rather absurd how rare things like the speed belt are.

I have nothing to say about the new things they are adding because I don't know enough. Hopefully it wont cause a salt explosion on contact.
My personal hope is that the relic weapon quest is calibrated with repetition in mind. There are over 15 jobs and if the developers want us to go to the moon and back for just one relic, they are doing it wrong.