In order to distribute illegal material, you have to go public with it, i.e. contact strangers. One of those strangers is going to be a police agent or a snitch

In order to distribute illegal material, you have to go public with it, i.e. contact strangers. One of those strangers is going to be a police agent or a snitch seeking favors from the police. Sure you could limit yourself to known contacts, but that wouldn't make you rich nor would it create self-sustaining network.