Scaling Bitcoin's tps does not increase its energy usage. The tps and energy usage vary independently of each other. Bitcoin does not require any more energy usage to handle more tps than Visa. In fact, if we include off-chain transactions which are settled on-chain it already can.
> The US Army protects the US not the dollar
What is the value of the dollar if the United States ceases to remain a sovereign polity? The dollar is part of the United States.