You have this enormous network and no one knows what's out there.

If you don't want to deal with them, fine. But don't hamper other people from dealing with them.

Breaking into a system or exposing its weaknesses is a good thing because truth and knowledge must win out.

Streaming audio and video can be an enormous bandwidth hog. It uses a lot more of the network than any other function. At a small company, one person watching can slow down the entire network.

I can write a program that lets you break the copy protection on a music file. But I can't write a program that solders new connections onto a chip for you.

It would make an enormous difference. It's a much higher hurdle to cross if everyone knows who you are talking to -- especially if there is a big vote in Congress the next day.