No, but there are plenty much higher targets before going after computers, especially compared to the insane value they produce. Like, is that single server running all the logistics of a country’s train network “inefficiently” really significant compared to.. the inefficiency of even a single train?

What about those billions of devices running software in gadgets, phones, TVs, routers, dishwashers, etc ?

Crypto uses vast energy as a feature, a side effect of maintaining a competitive environment as part of proof of work (other staking mechanisms are different). You could not optimize this to use less energy.