"But fine, I suppose I could make a couple doom lasers to wipe out any Zerg fleets that show up. Feel better? (It's what Zeon is good at)" 

> Takes the Earth Federation fifty years with all the resources of earth to build enough technology and space infastructure to be able to mine space materials and have space factories to build ships independently. Space colonies still require earth construction. 

> Doom laser was meant to be final solution superweapon they only had one of and took massive amounts of resources from a bunch of space mining sites to build

> Trying to build that and a colony to drop with only a piece of africa

Uhh... good luck with that.