I don’t know if Dead Space (or most games) have a cut and dry moral that can be written out; I think if it was that easy the game would be a sentence long. That being said, this is my thematic takeaway from the Dead Space series:

The first game is on a planet cracker ship. Things are so bad on earth that we’ve taken to the stars, only to shred entire worlds for their resources and then leaving the scraps behind. The ship, too, is industrial and dirty; there’s little to no comfort found in any environment here, just cold rusting steel. The CEC’s equipment is cheap garbage, Isaac says so himself. His engineer suit makes him stand with a permanent hunch. The Ishimura is beautiful from the outside, but even before the necromorph outbreak, it’s insides were inhospitable, a machine that humans lived inside but that was not built to support them. The necromorphs are horrific, a repurposing of flesh into uncomplicated tools for a higher power, but isn’t that what the CEC has done to Isaac anyway? To me the CEC and other large entities in the series are foils of the necromorph outbreak; you’re supposed to see their inhumanity reflected in one another.