Abnormal handwriting positions

We were watching a Victorian period drama on the telly and the camera zoomed in on the heroine writing a letter. Shock horror - She was not holding her pen properly. Every educated Victorian had beautiful copper plate writing and would never have got away with holding the pen or pencil in any other than the proper way.

Towards the end of my working medical life I specialised in children with difficulties such as Dyslexia and  Dyspraxia. It seemed that an inability to hold the pencil properly went along with the problem in many of this group of children and in all of the group with Dysgraphia  - despite adequate teaching.

It now seems that there is no teaching. Teachers do not pay attention to how the child is holding the pencil. It is perhaps considered unimportant to a child growing up in a world where writing is a dying art and the computer is king
Fair enough
But -
What if that child wants to become a surgeon a dentist or an artist? To do something that requires finely controlled manual dexterity.

To draw - the pencil has to be held in a proper (tripod) position for control and pointing.
If the pencil is gripped in a stabbing position - it is very hard to control pressure and direction and achieve any form of precision.
I suppose that with modern art  -it is not a problem