Moreover, in the age of LLMs every child can have an infinitely patient assistant explain them how to do things in any mainstream language. Even before LLMs, the ability to Google something was proportional to the popularity of the language. When we teach children math, we do not teach obscure boutique notation, we teach what everyone knows, even though there are alternatives that would certainly work better for teaching.
>When we teach children math, we do not teach obscure boutique notation
Actually, you do. There's a reason you teach kids multiplication by aligning blocks into groups and things like that, rather than jumping straight into rote algorithms.