I agree, it's extremely hard to coordinate 32 people at once.
What does that have to do with competition? Hitting a baseball isn't easy, neither is playing a round of Tennis, but those are competitive.
Just because it's hard to get 32 people to work together, doesn't mean it can't be done. Divide them into squads, assign leaders and a chain of command while the commander oversees the entire operation. I played with a realism clan for a short while in DH, we coordinated well enough with 32 players per side.
And remember, just because your coordination isn't perfect, doesn't mean you lose. The other team is dealing with the Exact same problems as you are.
Competition is proving that you are able to accomplish a set of challenges better than your opponent. In Counter Strike, it can boil down simply to which team has better aim, or better reaction times. In RO2 it would be mainly about who can coordinate the best.
I don't see the difficulty of coordination in RO2 to be detrimental to competitive games, I see it actually as being the Main Focus of the game. Just as it would be in real war, which is what we're trying to simulate anyway.