The problem is the Wargame campaign was never well-made or very satisfying and dynamic campaigns of that sort rarely are. When you get down to it, Red Dragon's campaigns were just a glorified procession of skirmishes, with awkward groups of units, against an awful AI.
Interestingly enough, the best Wargame campaign was also the least ambitious - European Escalation had a set-piece campaign that offered some replayability and dynamism in the form of a persistent battlegroup, and interesting missions/side objectives that could be completed different ways.
As far as I'm concerned, trying to recreate a Red Dragon style campaign for Steel Division is a huge mistake. Wargame, and by extension Steel Division should have an ironclad focus on multiplayer.