The point is that it doesn't really make sense to say they're "seeing" anything. You said
So… are the neurons on that chip seeing?
We all desperately want to say no.
But I can confidently say "no, that's totally childish, the neurons are clearly not seeing anything." And in fact it's not even especially clear that they're "playing DOOM" vs. hitting a biased random number generator in response to carefully preprocessed inputs that come from DOOM. There is a major distinction when the enemy positions are directly piped into the brain.
Again I share the ethical concern about this stuff. But your blog post is quite misleading.
you don't have to imagine too far - I made DOOM run through a series of pre-rendered images in markdown files as a stateless engine before [0] and the answer to your question is highly upto interpretation
You move, you plan, your actions have outcomes
Same question as if you're playing choose-your-own-adventure game storybook
Playing DOOM is playing DOOM - if it's through your keyboard or mouse of progressing through the game states to move forward - hope that makes sense.
0 - https://arxiv.org/pdf/2602.11632