And that is due to the language and not, say, the writing tradition ? If we kept the same languages and made japanese people write it massively in 26 half soun

And that is due to the language and not, say, the writing tradition ? If we kept the same languages and made japanese people write it massively in 26 half sound symbols and made all of what you call a white european population use 3k+ ideogram drawings for word starting at 3 years old, do you think we d see exactly the same performance ? I bet you the writing tradition is very influencial when it varies so much and has no relationship with language, especially in Japanese where they frankensteined Chinese symbols over centuries which must require an enormous mental gymnastics and redirect large processing power vs someone who can read and write everything he hears relatively simply?