Boy - you are way wrong. If you have printed materials like books then scanning gives you everything needed for reproduction. With paintings there are many more

Boy - you are way wrong. If you have printed materials like books then scanning gives you everything needed for reproduction. With paintings there are many more unique elements. Eg. Not all colors are covered by rgb. Even those covered may absorb and reflect light differently. So looking at the image with different lighting or from different angle may create unique impression. There is also texture that cannot be easily scanned. We may get there with scanning and displaying technology someday but at the moment good copies are created by artists and not printed.