> What if a non-native English speaker uses the help of an AI model in the formulation of some issue/task?

How can you be sure the AI translation is accurately convening what was written by the speaker? The reality is you can't accommodate every hypothetical scenario.

> What about having a plugin in your IDE that rather gives syntax and small code fragment suggestions ("autocomplete on steroids")? Does this policy mean that the programmers are also restricted on the IDE and plugins that they are allowed to have installed if they want to contribute?

Nobody is talking about advanced autocomplete when they want to ban AI code. It's prompt generated code.