Additionally (and mainly?) a skill learnt as a young child - eg. handwriting - is presumably more likely to be fully absorbed and "foolproof" than one like typi

Additionally (and mainly?) a skill learnt as a young child - eg. handwriting - is presumably more likely to be fully absorbed and "foolproof" than one like typing which at least in former generations (so may not apply in your case) was learnt later (and often to a lesser competence) as a teenager or adult.