Talk:Alien Relics (Disambiguation)/@comment-7844119-20180131162614/@comment-2246198-20180202233002

The doomsday device is essential equipment if your goal is to prevent the bacteria from leaving the planet. If things on the ground were to get sufficiently dire, they could just destroy the planet, which would end the bacterial threat permanently. Their obvious goal was to cure the disease, but if all else failed, they'd burn it out.