How is "Writer/reader-responsible language" correlated with synthetic/analytic languages?

As the blog post itself concludes, reader/writer responsibility is really a property of the culture, rather than language. This is right in that the idea is simply a rephrasing of Geert Hofstede's high/low context cultures.

This in itself is problematic because all language and culture requires context. Languages and cultures simply differ in what context they use when for what. That's why things like irony are often impossible to translate because they are context specific. That applies even within language/culture. For instance, if I call someone 'a proper genius' you won't know if I'm being ironic, unless you also know if that person is considered clever or not.

That's why there's no point in looking for a link between analytic and synthetic languages.

It is true that when you see a name written on a wall in Czech, you know if I'm talking to the person, about the person, or giving something to the person simply from the form. But that still does not vacate the need for context. Plus it's certainly not how any language is primarily used.

In short, it's important to talk about the role of context but this is not a very fruitful generalisation. Hofstede's distinction actually makes sense in the context of business negotiations and office politics (he conducted his research on IBM's employees around the world) but not universally and certainly not when it comes to the classification of languages.