It's weaker because it pushed Russia out of the petrodollar and allowed other countries to trade in other currencies. Maintaining the petrodollar is the only way the US can afford it's military. Sure, they can print infinite money anyway, but at some point the emptiness of those dollars will become clearer and clearer. It'll take decades to ramp up military production to match Russia, not to mention China. All the while, it's allies are fast losing access to affordable energy. The MIC might get bigger in the meantime but a lot of that will be inflated prices rather than material growth.