At that time Osamu Tezuka became sceptical about the world of Manga, andDust 8was written when his animation studio Mushi Productions were under threat of bankruptcy. In itself, is was not that popular, with 18 episodes planned yet along the way it was discontinued with the remaining work gathered-up and summarised later in 8 episodes
It has rough quality to it and probably because of the to the production standstill and finishes a little abruptly.