Handwriting requires a very different skill set than keyboarding. It involves using the hand muscles in a different way. It activates a different part of the brain than keyboarding does.
By having to learn cursive, students have another opportunity to fully comprehend the alphabet. Learning cursive also gives students a clearer understanding of how letters are formed.
Handwriting could give students with dyslexia and dysgraphia an option that can decrease their hand challenges and give them an opportunity to be more confident in their abilities.
Being comfortable with cursive will give students confidence when writing and signing legal documents.
It is a way for students to develop the side of their brain that is not developed by basic reading skills. The more variety a child has the better for their brain.
Cursive and print reinforces the idea that learning should simply be about learning.