Here in Russia s/com/ru/, and .su zone had a 5% of active sites in russian for a decade. And .xn--p1ai is the biggest IDN ccTLD by number of second-level domain

Here in Russia s/com/ru/, and .su zone had a 5% of active sites in russian for a decade. And .xn--p1ai is the biggest IDN ccTLD by number of second-level domains. Point is, language/culture/country-based differentiation is still a use case.