Sorry, but I see this as semantic nitpicking. While we recognize a difference between our conceptions and “reality”, they are constantly self-correcting by the results of our behavior. And, if we hope to relate to others, we have to have a high degree of mutual agreement as to reality. I believe most of us here recognize the inherent lack of precision of our views.
I believe that usually those who view this sort of thing as merely semantic nitpicking just don’t get the problem. What you call reality is directly related to brain activity because it’s directly dependant on brain activity. A way of putting this is what you are aware of is what you are doing.
How the brain activity relates to reality is a real problem. unless idealism is the answer, in which case it’s not afterall.
If you were to argue we can’t know, I wouldn’t disagree, if you were to argue it’s of no practical importance, I’d agree to a certain extent but this thing about it being semantics, no I’m pretty sure it isn’t.