>> I can hit you and beat you hard, you will make some noises, how am I to know you are not just a parrot mimicking pain

> This is insanity caused by spending too much free time philosophizing

This is actually something like a 17th century line of philosophy

https://medievalkarl.com/general-culture/roger-du-plessis-gi...

Where it talks about scientists who "administered beatings to dogs with perfect indifference, and made fun of those who pitied the creatures as if they felt pain. They said the animals were clocks; that the cries they emitted when struck were only the noise of a little spring that had been touched, but the whole body was without feeling."