Look, there’s lots of valid reasons to shit on Bethesda but this comparison isn’t even fair.
ESO is literally an MMO. It’s a genre of game that’s designed to have a very long life-span with regular content releases, updates and balance changes.
Starfield is a single player Action RPG. Yes, of course they’ll probably be done adding to it before an entirely different development team that’s dedicated to an MMO is done.