[afiori]

people not following the standard does not remove value from a standard.

For centuries people wrote in Latin in Europe not because it was anyone natural language, but because of the reach it would grant[1].

[1] and because in many cases local languages were less sophisticated and inadequate to philosophy/poetry.

[zorked]

Your point [1] on the capabilities of some languages is generally discredited: https://en.wikipedia.org/wiki/Linguistic_relativity

[afiori]

If I understand the topic then linguistic relativity has nothing to do with this, consider the fictional language of cave-speak as a stripped down version of English, It is reasonable to imagine that it would be harder to discuss theology or write the principia mathematica in such a language.