Apparently the aim is more overt (and more investigated) in Japan, as your perspicuous find sets out. I suspect it's much more an unconscious peer-group automatic thing around here, (and I haven't been to Japan).
Obv Doctor Doolittle Lives.. and has been exceeded in punctiliousness by orders of magnitude. I am amazed, each time - at the quantity of new tech terms required to distinguish -'logically'- that which a listening emotional-brain can parse instantly.
(I know someone with such talents/obsession? Lots has been catalogued - of which most of us aren't even dimly aware. I may pass this on to him.) 'Sociolinguistics' - the mind boggles with a soup of stat/intellectual VS intuitive cognition.
One might notice this phenom in recordings of samisen + voice, but it hadn't occurred to me at all - the social freight involved. This despite knowing of foot binding! We should realize just how much homo-sap genes {surely must} overlap with the chameleon.
In that vein - it appears that we have a nation of p\ufffddophiles. What a Surprise.
cf. Puritan and there's enough material for a thesis at any established Web-University. Or an MA in HR?
Thanks - for YAN enigma of the footbinding plane.
moi