I find it more that a little amusing, that despite the US friendship with France, Websters idea of decolonising English was to alter the french derived words like 'centre'
The NHS will try many things to avoid expensive options like MRIs and more expensive medications.
For Multiple Sclerosis I was given one MRI and NO medications over the course of 12 years as I went from relapsing remitting to secondary progressive. Total postcode lottery so fuck the NHS.
This is like the things you develop yourself as a child although broken down and over simplified.
Maybe this should just be for the less intelligent children who do not have the skills to learn their own more efficient method.
I can see this wasting too much of an able pupils time.
Do you have streaming in America where you filter off children by ability like in Europe?, If so then maybe this is good for the lower streams to gain them insight into what more able pupils do anyway. (Though maybe not so convoluted).