You are a propaganda victim. He never intended to cripple the US, he simply lacks enough power to do it. Why would he want it, anyway? It's a county where his children will likely live (like children of most Soviet leaders since Stalin), his assets are stored in US currency, too.

I guess he is quite happy with people like you believing in his overinflated image of a powerful adversary to the US, but in reality he's just a crook who is profiteering while he can. Everything else is just a sideshow.