Elect to be an Ematrant and defend your world with sorcery and natural resources or be a Human, equipped with technology and innovation, and fight to obliterate the alien race.
Two different species... one goal.
Sounds more like two distinctly different goals in direct conflict with one another. And will it really only take "decades" to get "light-years from any galaxy we know today"?
I'm just wondering. Because it sounds pretty fucking stupid to me.