[troncheadle]

> but who knows if the voice data or even the query itself is still stored after deletion, just not visible to us end users.

Almost definitely yes. I've never known a tech company that truly deletes anything

[api]

"Never really delete" is actually standard advice. There are loads of reasons, mostly non-nefarious, why you may want or need that data.

Sometimes deleted stuff is archived offline or in slow warehouse databases that are not live, etc.