They did say that their servers dont store anything and they do some cloud “verification” before sending any data to it, but in my opiniom they should have a setting/prompt/indication for that apple cloud part too, especially as you might be on mobile.
The include of chatgpt with the prompt is making it confusing and making the apple cloud less talked about …
If only some of the newly added translations was not garbage, adding local dialects that differs by location is useless, it’s more like a gimmick. It just makes it harder pick language as you need to scroll over all of those useless ones…
It’s probabably just a PR stunt.