Sentience is a matter of degree. That's why people can compare the intelligence of a chimpanzee to the intelligence of a three year old human. Or why it's intui

Sentience is a matter of degree. That's why people can compare the intelligence of a chimpanzee to the intelligence of a three year old human. Or why it's intuitive to prefer saving the life of a human to saving the life of a fish. That does not diminish the capability of suffering that the fish has, but merely comparing the objective complexity of a human's preferences vs a fish's.