I've read somewhere that openAI is already working on this.
If that doesn't work, I think effective discussions on the internet might plausibly shift gradually to other languages, since AI is currently only focused on English, and I doubt thats going to change any time soon.
first towards European languages like German and French, but since these languages are well supported in tech, and use similar letters and writing style, I suspect they will be conquered quickly.
A real challenge would be Eastern languages, like Arabic, Farsi, Urdu and others.
These languages use a completely different writing style, grammer rules and have a wide field between being understood and being fluent, such that a basic Bot will be caught quickly by a native(this is why Google translate absolutely sucks in these languages, its immediately clear thats its automatically translated).
I edited the comment to reflect the possibility of effective internet discussions shifting to other languages.