I'd argue that's a pretty essential skill in the modern world. Reading and writing are arguably the two of the most important skills we can learn since from them you can eventually do anything else.
Paperwork specifically is also pretty important. Sure you could argue that they could postpone teaching that until later but teaching how to fill out paperwork is basically just teaching how to do homework which will be essential for teaching mathematics at any reasonable scale.
Of course now things are digital but it's still the same skills but in a different shade.
