"Supporting", "paying", and "doing business with" are all very different concepts. At the ISP level, it is even clearer than at the individual level. The ISP

"Supporting", "paying", and "doing business with" are all very different concepts. At the ISP level, it is even clearer than at the individual level. The ISP is passing traffic through from an entity, based on a business relationship, either direct or transitive, with that entity.