But much more speculative. Just because we can imagine something doesn't mean science can/will achieve it. Brain-to-computer communication seems much more straightforward to achieve from a technical perspective, and has enough potential to revolutionize aspects of our lives on it's own.

Actually, and fortunately, it is impossible. This sort of brain model was preemptively debunked by Kant in Critique of Pure Reason and other works.

I think it's pretty hard to argue that any philosophical work, regardless of how important or impactful or insightful it is, can "debunk" anything.