I've already added modded behaviour to the NPC's in Starfield...mine are a tad more spicy and intelligent than vanilla. All this before the creation kit has even been released.
I'm currently running around 25 mods in Starfield...a mixture of all sorts from planetary physics, character textures, totally redesigned ship and character HUD and player inventory, AI behaviour and actual game engine physics like the removal of planetary tiles and some transitional loading screens.
Currently, Starfield has over 2,700 free mods available on the Nexus less than a fortnight after release (magic word right there)...including one which introduces a form of supercruise between planets in a system. I'll say it again...this is all before the official creation kit has been released and the floodgates truly open. The vanilla game will be practically unrecognisable in 6 months with
the players rebuilding the game the way they want it...
Pity we still can't say any of those things about star citizen after 11 years... it's stagnant and broken and will stay in a state of perpetually broken stagnation whilst Ci~G continue to faff around preparing for the endless cycle of perennial ship sales instead of developing a game