It is most telling, to me, to hear people (none of them made from straw) admit that writer's cramp is part and parcel of a single session of taking notes or writing an hour-long exam. Professional copyists and secretaries in the early 20th century weren't biting down on their lower lips to push through the pain every time they put pen to paper during ten- and twelve-hour workdays. They just used better tools for that…
The Palmer method descends from Spencerian script, an excessively flowery and not-all-that-legible form of writing from the days when people wanted to make their writing look difficult and fancy. Writing in a fancy style is fine for calligraphers making wedding invitations or whatever, but is a poor model for teaching children or for everyday use for most people. Italic (aka chancery cursive), a script of renaissance…
Modern systems aim for legibility, at speed.
Anyone wanting to see different systems used during 20th century might be interested in this book: http://www.amazon.co.uk/Handwriting-Twentieth-Century-Rosema...