Originally Posted by Darvin
You don't need a lot of formations; most end up going unused anyways. The only one I actually find meaningful in most games is loose formation for avoiding projectile attacks on my troops. I'd prefer to keep it simple and cut the unnecessary ones that are just stats modifiers. Put the complexity on features that are interesting, not formations that give stats modifiers.
Formations for the sake of stats modifiers just increase micromanagement, as 90% of the time there is obvious a "best" stance choice. Because of this, there realistically isn't any player choice, and it's all about clicking quickly to change to the appropriate formation for the situation.
Heck, I normally use formations so it would be valuable to me.