Machine learning is decoding prairie dog calls (they have specific words for "human" versus "hawk") and pig grunts (positive versus negative vocalizations). As we prove complex cognition in species once dismissed as automatons, the biological line between "human" and "animal" blurs. It is easier to exploit a machine. It is harder to exploit a being you can converse with.
The rights position holds that animals have that cannot be quantified or traded off against human benefit. Consequently: