Because the average person isn't running a server on their laptop? It makes no sense to think that multiple foreign nations are currently connected to random in

Because the average person isn't running a server on their laptop? It makes no sense to think that multiple foreign nations are currently connected to random individual's computers, and actively fighting each other in your silicon without anyone noticing widespread network connections. Let's not talk about fantasy of what could happen, but whether it actually is happening right now on everyone's personal computers. No. It's not.