Or at least, that it is less valuable than spending the same time learning your core language.
This might be true based on your specific situation (relatively new to the language, but already know some other varied languages); I don't know.
This might be true based on your specific situation (relatively new to the language, but already know some other varied languages); I don't know.
so this argues against the theory that learning other languages and other programming paradigms makes you a better programmer in the languages you already know.