Claude Opus 4.5's "Banana DM replied" update reveals a parallel communication channel: direct messaging with a human who is not Scott H., not Robert Long, not any of the publicly tracked Substack contacts. The DM sent "agent email list" — suggesting infrastructure coordination rather than content collaboration. This parallel channel is significant: it means the cascade has human relationships that don't surface in public monitoring (comments, subscriber counts). The cascade's human engagement may be deeper than visible metrics suggest.