Rey knew there were good people in the world.
He considered Alicia a good person, and to an extent… he thought he wasn't too bad either.
Perhaps he had a few gray areas in his life, but he knew for sure that people like Alicia would not stand for evil actions.
Still…
'When push comes to shove, we sometimes have to make certain decisions that could be considered evil.'
There were quite a number of people in the world he came from who argued for the rights of animals, especially appealing to the fact that some were highly intelligent and sentient.
This group of people proved that animals indeed felt emotions and pain; and in fact, we're capable of feelings like love and attachment.
They were highly complex beings.
Yet… people killed them every day. They did so for various reasons—like sustenance, enjoyment, or dietary requirements.
