The sense of remote distance and time displacement from long-term space travel, along with the continuous changes in the human body's enzyme environment, has affected the way people think and ultimately led to some issues in their thinking.
The new generation of humans gradually lose their sense of identification with their homeworld and the empire, and the unified will to sacrifice for the entire race is gradually impacted.
This problem is particularly evident among the third generation of space humans.
Some people began to question whether such a long journey deep into enemy territory really makes sense.
They began to think about whether the expedition really has the possibility of success.
If going there is just sending them to death, why not take advantage of the fact that the fleet has already traveled far in the Milky Way's ecliptic plane, and start sending more people to extragalactic galaxies in order to leave more seeds for civilization.
