All keywords are in English. The standard library is in English. All external library APIs, open source or otherwise, are in English. But your own functions and variables have to be different? Why? If your grasp on English is sufficient for using a programming language, than it is also sufficient for using English identifiers. And I'm saying that as a native German speaker.
> it made the code much more readable
"Much more readable"? It made the code base inconsistent with the rest of the language. Are you saying that they were lacking even basic English language skills?
> it made the code much more readable
"Much more readable"? It made the code base inconsistent with the rest of the language. Are you saying that they were lacking even basic English language skills?