But yes - in my set of definitions, race is genetic/hardware, and culture is environmental/software.
Obviously the two correlate pretty heavily - i.e. racial groups tend to form subcultures.
Quantum mechanics is also "beyond the human mind's ability to conceptualize" but we're still able to make progress. And discussions of race are vastly more important, at least when measuring in terms of human suffering.
I don't know you personally, but "most" people I encounter seem to draw no distinction between their model of reality and reality itself.
Consider:
> praising Charles Murray is more than a dog whistle.
What is the meaning of "is" (to be) in this context, in a literal/architectural sense? Does your "is" align with other people's? And where this a discrepancy, how skeptical of your take on it are you?
Possibly related: