Yeah, it is a historical question; I am aware it’s a historical question, since I posed it as one in my OP. Why were things such in the past? That’s why it has “no practical purpose” now and is a historical question - because it’s not the past.
And the article decidedly does **not **suggest that this was some people mistakenly believing it was better than nothing; the article states that Thomas Aquinas, Albertus Magnus, the Venerable Bede, Duns Scotus, and Peter Lombard all thought that it had “some sacramental value.” Indeed, the author implies he agrees when he editorializes:
“The confession is not sacramental, if we may so speak, except on the part of the penitent”
I was wondering exactly what the sacramental value of such an emergency situation would be, and how we understand it, but the article links to enough sources that we can all research the question on our own.