Is It Ethical to Torture Robots?

Time travel movies just annoy me to no end, especially the latest avengers is like mandher's just so many holes in this. Is it ethical to torture robots? Wel, you can't m because they don't feel pain. I would even say destructive behavior for the sake of destructive behavior is not good for you. Are arthur schopenhauer the darkest philosophers? It's been a while since i've spent time withschopenhauer.