They are hard to find because they aren't credited exclusively as writers but I know Ferret Baudoin worked as a writer and senior developer for most Bethesda games, including Starfield.
Every expansion is basically the same package, a 4 to 6 hour story with bad to ok writing and a ton of padding + a new location with some repetitive activities and a raid.
That's not 50$ worth of content, you could almost get a new game for that amount. Hell, Shadow of the Erdtree is 10$ less.
You can enlist (for a small freedom fee) at the local recruitment office and become a Helldiver yourself.
You can help spread freedom and democracy across the galaxy by helping Super Earth gather totally not oil and destroying opposing, and obviously undemocratic, ideologies.
I think in-universe you are trying to keep the environment in balance but it's so hard to make a good story for a game exclusively about killing and wearing monsters that it never works out.
Iceborne ends with the main characters thanking Nergigante only for that particular Nergigante to be the target of a future hunt regardless.
They are hard to find because they aren't credited exclusively as writers but I know Ferret Baudoin worked as a writer and senior developer for most Bethesda games, including Starfield.