Even just consider banks and e-commerce. They are hugely lucrative and making them even a tiny bit less accessible directly impacts their revenue. As an example, Amazon seeing that latency has a measurable effect on purchase behavior.
Maybe the military (fictional or otherwise) can go back to the ARPANET but most economic activity created by the internet cannot afford to disconnect
In the real (fake?) world the toasters would shoot smart dust all over your crap that would assemble back on your circuits creating radios between all the different components. They were fighting an adversary that was far more advanced than them.