your imperium is outdated, you still are fighting primitive orks (i think this is the right imperium) and most of your troops are armor less grunts with guns that can hardly scratch sheet metal, the machine gods are non existent and you pray to an emperor who is rotting in his golden throne
We are from the year 40,000. I hardly think we'd be outdated.
How about your pissy little storm troopers try fighting giant steroid induced green reptilians?

This is an average Space Marine.
Only his head is visible because he has a certain battle honor upon him that permits him to remove his helmet.
The Machine Gods are more alive than you think. Your computer will suffer if you do not repent.