This seems to be based on the false Python 3/2 dichotomy. Python 3 is popular enough that it is effectively unkillable. For exactly the same reason Python 2 is

This seems to be based on the false Python 3/2 dichotomy. Python 3 is popular enough that it is effectively unkillable. For exactly the same reason Python 2 is also unkillable. Language adoption is never a zero sum game.