That said, there’s a difference between making a knee-jerk decision out of fear and actively working with the bad guys to continue oppressing the innocent settlements just trying to make it in the zombie apocalypse.
As Josh McDermitt said, Eugene is simply trying to align himself with the scariest man in the zombie apocalypse to spare himself.
He’s not even the only one to make a bad decision out of fear.
Then, he goes and tries to recruit Sasha, who is quite understandably half-crazed with grief and on a mission to avenge a loved-one’s death?