Replicants were bio-engineered, not bred. They weren't human, they were superior to humans in many ways with the notable exception of life expectancy. So it w

Replicants were bio-engineered, not bred. They weren't human, they were superior to humans in many ways with the notable exception of life expectancy. So it was more the classic question of what does it mean to be alive and what rights would/should a non-human lifeform have.