The reverse flow is probably weaker by a million to 1. Tons of people are scammed each year, and there are very, very few retaliatory paths. I would suspect t

The reverse flow is probably weaker by a million to 1. Tons of people are scammed each year, and there are very, very few retaliatory paths. I would suspect that the graph is acyclic for most people, but for people like, say, Krebs, that they have a different graph that most people don’t have. In other words, they’re on a different graph.