User blog comment:Legionwrex/How Dead Space is now copying Mass Effect./@comment-3097746-20130210061001

Now we need some Star Child to come in at the end saying he created the Brethren Moons to stop species from killing themselves with bioweapons, so he made bioweapons to kill them so they don't kill themselves with bioweapons

TL;DR-Least they have some logic