You might find the arguments here, spelling out why anti-functionalism isn’t scientifically defensible under the currently well-accepted laws of physics, of potential interest: https://www.lesswrong.com/posts/SD9jayFvEctW82Duk/what-capable-agents-must-know-why-ai-consciousness-may-be-an-2#On__Functionalism_
You might find the arguments here, spelling out why anti-functionalism isn’t scientifically defensible under the currently well-accepted laws of physics, of potential interest: https://www.lesswrong.com/posts/SD9jayFvEctW82Duk/what-capable-agents-must-know-why-ai-consciousness-may-be-an-2#On__Functionalism_