I am not forgetting them. I am not counting them. Those books have FR info in them, but they aren't FR books as their primary purpose. Just because FR is the default setting of 5E does not mean everything counts as a setting guide.
Is your take that they keep making Eberron because no one actually likes it? I don't know what you are trying to say here beyond that you, personally, don't care for it.
Just chatting:
Whether it is a game about going from dungeon to dungeon in search of the 13 Shards of Whatsit, or a sandbox megadungeon exploration: what non-D&D RPG (this includes official, retroclones, OSR and clear derivatives like Shadowdark) would you use for this purpose? Why? What tools...
WotC: Here's Adventurlandia! Our fist officical setting in decades! Full of the awesomesauce you crave!
"Fans": Boo! Where is Jakandor!?!
WotC: We heard you! Coming next year: Jakandor 5E!
"Fans": NOT MY JAKANDOR!
There are people who will be really happy if Dark Sun happens. There will also be a lot of people that will be really unhappy with whatever WotC does with it.
I just wish they would do something NEW.
or just mapping the wild for the sake of knowledge. Or climbinga mountain, to say you did. Or discovering a more efficient passage from one side of the continent to another. or surveying a new land.
There are lots of ways to imagine this without kicking the colonial hornets nest that will...