Because Putin is an Ex-KGB member who still aids and abets Communist and Islamic regimes and terror groups across the world. If he was just a Fascist or an Imperialist of some kind, he would be acting differently.
That said, Commies often transform into National Socialists anyway. They are never very far apart.
I forgot to put a NSFW on that last link of mine. It is just a photo. Click if you got the stomach for it.