Which is not the same as "a language must evolve into my preferred design or become obsolete".

Python has made it through years of criticism from people who misunderstand Guido's stance on FP in Python (and before that from people who disliked his stance on tail call optimization) without being obsoleted by pure FP languages.

I would argue that the really necessary evolution is often in implementation facilities, rather than core language constructs. C++ has evolved more than most, but people who don't choose C++ do it mostly because of other considerations. You could have the most functional C++ version ever, and still people would not use it for simple web apps.

Which, like apoptosis, is eventually a good thing.