I think the worst part is them not optimizing CPython earlier, which means that people now rely a lot on CPython internals, which means stuff like Pypy isn't co

I think the worst part is them not optimizing CPython earlier, which means that people now rely a lot on CPython internals, which means stuff like Pypy isn't compatible with the Python ecosystem. And then you end up with everyone having their Python optimization: Dropbox, Instagram, Pypy.