Balancing so many units could take years. And considering the addition of a ton of new creatures with a million abilities each, it would be problematic, to say the least. As far as I'm concerned, it took a long time to balance the original version with a minimum number of creatures. I agree that the clunky models (of which there are many) are more of a deterrent.
I have an idea about this.
Take the most successful models (the best ones) and balance them, call it Gold (or something like that), and release it separately.
И пусть Эльрат осветит твой путь