True enough, sensors are really B&W, I guess "considered" is the key word.... I'm surprised how you confused "considered" (which refers to the result) with "have"
I didn't. But I simply find the foundations upon which you base your many claims to be a bit shaky, if only from a rethorical point of view. "is widely considered" is a sociological assessment rather than sound formal logic starting point. And in fact, to some extent, I agree with some of your statements about NR because a lot of current sensors do at the individual CMOS sensel level something that resembles what used to be a full CCD calibration (I base this opinion on the relatively detailed - but nowhere near what Kodak provides for its scientific sensors - information Sony provides on its sensors - links previously given on this board).
But, assuming your statements contain a tiny bit of truth, it would be nice if you could develop your argument without resorting to considerations about atmospheric composition. In this very thread, ondebanks and I slightly disagreed - have you noticed that neither of us ended up attempting to ridicule the other and that both of us presented verifiable arguments? Is that something you would consider? Disagreement, and particularly disagreement about the spoken or written word, is typical of us humans. Learn to live with it and accept, when the object of the discussion is amenable to experimental investigations, that demonstrations/experimentation are better than aggressive discourse.
Last but not least, try to be modest in your claims. About 15 years ago, I build a CCD camera and programmed its firmware from scratch (and litterature, of course, I did not invent the thing). At that time, I certainly felt that I knew a lot about how sensors worked. Today is a very different era in sensing techonology and, except for people who devote their whole life to a specific sub-area of this immense topic, no one can claim to know everything that goes on under the bonnet.
AFAIC, even if I don't always agree 100% with a competent person (such as Emil, Ondebanks, Bart and many others), I am grateful for what they share and I see the eventual friction points between what they say or write and what I think as opportunities to improve my understanding.