My point is that the "fewer/less" distinction isn't useful. It makes absolutely no difference to comprehension, which is why no-one in real life has ever cared about it.
All that happened (consulting Burchfield at this point) is that back in 1770, one grammarian made a tentative suggestion that "few" might have a particular use when we're talking about a specific number of things. But that's all it ever takes for the prescriptive grammarians to go wild, and before you know it people are judging each other, based on whether or not they observe a completely useless distinction. The same applies to avoiding split infinitives, or using the subject pronoun after a linking verb, and an endless list of other stuff invented by prescriptive grammarians but never used by real people.
I'd suggest that these are harmful rules that should be discarded, because they clutter up people's heads and make them anxious, and persuade them that grammar is pointless and has nothing to do with clear communication.
Grant Hutchison