One of the most overhated games due to internet contrarians trying to tell people that there's actually nothing enjoyable about the game, and you're wrong for liking it.
While I do agree this game isn't very deep or complex in its writing, and the main story isn't that interesting, the core gameplay and atmosphere of it really hits the tone. It has a fun core gameplay loop with interesting places to explore, while all of them not making much sense in the context of Fallout, let alone the setting. The DLCs are definitely the best part about this game, Point Lookout and The Pitt specifically. I'd say Point Lookout is a reason to replay this game alone. While it might miss the point of Fallout, there's still a ton of enjoyment to be had here.