I agree that silver gelatin prints are never perfectly neutral and I agree that papers such as MGWT show a noticeable off neutral hue when scanned etc, but the point I am making is that even when you do make a print that to all intents and purposes is neutral, the print does not lose anything if it is a good print. I've made inkjets from absolutely neutral digital files which blew me away. Sure, the printer might have injected a very subtle hue (if it did, I cannot tell you what it was with the naked eye), but the same is true of digital files shown on various monitors, which are almost never perfectly neutral. Once we add exhibition lighting into the mix, it seems fairly plain that prints 'in the ballpark of being neutral' might as well be considered the same thing and, to me, prints in this realm lose nothing to those with noticeable colour casts if they are well made (unless toning induced colour proves particularly sympathetic to the image).
A case in point was the exhibition of a number of my prints made on different papers. Most were on MGWT and had a slight warmth to the naked eye. A few were on Adox MCC in a different developer, which was closer to neutral. Behind glass and on the wall, the difference was negligible and they hung fine together, but in the portfolio the difference was much more obvious. But up on the wall, the MGWT prints certainly did not look better for having a more obvious cast.
I think the reason why you (and I) think so many digital greyscale files look bad on monitors is that the tonality stinks. Its the same reason why great neutral prints, when scanned and shown on a monitor, sometimes also stink.
Perhaps this is a real issues then? All this time I have been thinking 'print', which is all that matters to me. Neutral prints are just fine to me. however, on the computer screen, B&W greyscale looks poor. Is the issue something t do with the way monitors display the tonal range of a file compared to a print?
The above must have an element of truth to it, because we have to tweak files to print well and the 'tweaked file' often looks pretty shocking on the monitor.
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A closer Neutral paper would have been Brovira in Neutol NE but even that couldn't be considered neutral in the same way a digital greyscale is.
If you doubt what I say just pop a mid tone of a 'neutral' print under a densitometer, all the values will not be equal you'd be surprised.
Lighting in an exhibition, will play a large part too, many printers forget that.
I think that a neutral print would look somewhat disconcerting, in 18 years as a printer I never saw a mono print that was 'greyscale' in the way I see digital images.