I would also have to wonder how much of that is the supposed general 'manual dexterity' problem, and how much is just greater unfamiliarity with those specific

I would also have to wonder how much of that is the supposed general 'manual dexterity' problem, and how much is just greater unfamiliarity with those specific items because they're no longer immediately using them every day. I certainly know that my own ability to hand-write for long periods dropped off hard once I got out of high school and shifted into typing almost everything.