I know that as a language author it's natural to assert "it can be used for (almost) everything", but it's not a good strategy for adoption - plenty of language

I know that as a language author it's natural to assert "it can be used for (almost) everything", but it's not a good strategy for adoption - plenty of languages can claim the same after all. It's better to mention in which areas it really excels, where it beats the competition hands down.