Since I don't write all that often, my hand gets tired quickly and I start joining block letters after a relatively short number of sentences. The suggestion of the article is that we teach children an efficient cursive style of writing from the beginning. In a lot of cases that's already being done with D'Nealian handwriting.

Even better, in my opinion, would be the Icelandic italic movement, as detailed at http://briem.net (check out "Quick results, easy work.)