The point is some developers don't want to reinvent Twisted on their own. They like Python 3 and they want to keep up with Python 3 but they don't want to move

The point is some developers don't want to reinvent Twisted on their own. They like Python 3 and they want to keep up with Python 3 but they don't want to move away from Twisted. Just like I am asking you to write your own Django because half of the things to build Django is in standard library.