There's also this article [0], which sort of tears Zed's article apart bit by bit. It's honestly a fun read because of the aggressive tone (which I find deserved), and it's also informative.

edit: there was a HN discussion about it as well. [1]

[0] https://eev.ee/blog/2016/11/23/a-rebuttal-for-python-3/

[1] https://news.ycombinator.com/item?id=13027481