I think the argument is that if you run code with f-strings and walruses on Python 3.5, the code will break noisily. Whereas if your code implicitly relies on o

I think the argument is that if you run code with f-strings and walruses on Python 3.5, the code will break noisily. Whereas if your code implicitly relies on ordered dicts, it could break silently. Syntax errors rarely cause subtle, hard to track bugs.