A difference in generations. Those of us who got our education before the age of computers, Ipads, smart phones, etc., had to use cursive. And for those properly taught to write cursive, it is far faster and more efficient than printing when one must use handwriting.
But these days when handwritten homework, themes, etc. are almost always done via computer or similar device, handwriting is fast becoming obsolete. I do so much key boarding myself, because now handwriting is frustratingly slow to me, my handwriting has definitely deteriorated--I once did beautiful cursive. Do I understand math in the same way the new math students do? I don't know. When it comes to simple addition, subtraction, multiplication, division, percentages, ratios, etc., I believe I do. And that's all I have ever needed to know.
But never fear. We of the older generation will eventually die out and it will be a whole different world for you young-uns. Until then, I will no doubt use cursive from time to time and will continue to do math the old way which is far faster and more efficient than the new math. And I will continue to hate the way a new math problem solution looks, will mourn the lack of beautiful cursive writing, be frustrated with young people who cannot tell time by an analog clock, or who can't make change without the computer on the cash register, etc. And I will admire kids who can negotiate a smart phone with amazing proficiency and know how to fix whatever I've screwed up on my computer, know how to program the smart TV, etc.
It is a different world now.