Similar post has been appearing for years
https://hn.algolia.com/?dateRange=all&page=0&prefix=true&que...It doesn't make sense. It's super expensive to make, perhaps impossible with the current technology. Normal bacterias will out compete them. (Just imagine a mirror Earth, where mirror evil scientist create mirror^2 life. Who wins?) Also the inmune system is very generic to detect any crap, normal or mirrored.
