I would call it lackluster. The companions were flat, mostly just faction mouthpieces, and the factions themselves were so extreme that the only one with any real life in it were the pirates. They were also absurdly the most ethical faction. If you did it independent, the equivalent of the Yes Man ending in FONV,
Mostly though, I didn't like the companions or the PC development, and for me that's the most important part of such a game. Also, the naval battles were un-fun.
Sadly Josh Sawyer has tweeted a few times about being in depression and feeling like he can't do anything, sometimes in German because he says it's easier if not everyone can read it or something. Not sure if it's related, but I would think so.