>>2989>Magnetic tape is so reliable for storageThat's only for formats specifically designed for that purpose. VHS is notorious for is degradation which causes all kinds of visual/audio artifacts and color distortion. Optical media is also subject to disk rot, and if it is digitally encoded, when it degrades, the data simply cannot be read. Digital files can be perfectly copied over and over after an initial transfer. But yeah, obviously if the original conversion is bad, or if it has been compressed to potato quality, it will look like shit.
>>2990>major color banding issuesThe problem comes from how color is stored in digital media; it's encoded as linear while your brain interprets things like brightness and loudness exponentially. This can be helped by adding some noise, like film grain, and viewing it in HD with minimal compression. The reason that you don't see it on a CRT, when watching digital media, is because the display doesn't have pixels, so the colors tend to bleed together.