Board Thread:Episode Discussion/@comment-14138255-20160117163823/@comment-27312496-20160122034301

Not so much a design flaw but a technological limitation. Not being able to go into space limits them to more of a line of sight. singles have to be able to get to receivers, with the curvature of the planet the kingdoms are unable to send messages directly to one another. A satellite would give them a wider range, but as we know dust doesn't work outside the planet's atmosphere.