He had 200,000 units on the border, he probably hasn't even used a quarter of that yet surely as there's been relatively few images of losses for either side even civilian losses have been really low with just military targets hit (obviously some not hit target and hit civilisation)
I wonder if his misunderstanding has been that of the Russian people and their disgust at attacking their neighbours, he unlike Hitler never convinced them with his statecraft that it was the best thing for the nation ?