It might sound goofy, but. . . I wish there was a way to complete the Civil War questline without actually participating in the civil war.
I know I can just ignore it, but it would be easier to do if NPCs weren't trying to get you to choose a side all the time! Though I suppose that is part of the immersion. If nobody was going to fuss over the war, it might as well haven't been a major plot point. Makes sense.
If you're a completionist like I am, might I suggest making a character that would actually choose a side? When I make a character, I like imagining their upbringing, goals, and morals. There are some good mods where you can even establish a backstory for the game to utilize. Even if I don't like the Companions questline, it's fun to pretend being a giant werewolf Orc who likes smashing skulls to bring honor to his clan!
But. . . Yes, I agree. Both sides suck.