The concept of Forskaen was novel at the launch of Classic got interesting in WoTLK and then crashed into the dumpster. Im sure they have big plans, but sorry if we have to go look up books that are not in the game for character development, I either lose interest or just stop caring.
Hence Sylvana when she in Legion became warchief instead of leading horde from the from herself, she delegated contact to her lackey. In a way that's a good thing, since horde has a nice new A-Team cast of support characters from Broken Isles. So they do have good writers, but then again this is Blizzard and then you have stuff like in the cinematic and others(Kaelthas defeat speech at Sunvell plateau).
Regarding Shadowlands there is a lot of interesting fluf. Like Guldan using his knowledge of Shadowlands to create the first Death Knights and that Frostmourne and Lich King Armor were stolen from Shadowlands by Legion.
More info here about that
WoW stuff.