Isn’t that already how it works in all major operating systems?
I think the debate comes down to how bright you keep your environment.
OP likes bright overhead lighting and confuses that preference for the superiority of a preference downstream of it. Yawn.
I’d rather look at a bright 27” screen in dark mode where I see full color fidelity than dim the screen so that bright backgrounds aren’t too harsh. But it’s just a preference.