/e/ has other privacy invasive services which are enabled by default. It gives highly privileged access to Google services which are always active and has user tracking in their update client.
/e/ and Murena repeatedly claiming privacy/security hardened devices mainly benefit criminals and falsely claiming they're mainly used by criminals shows what they believe:
As another commenter mentioned, this voice to text feature is now an offline feature and no longer sends data outside the device.
As another note, this Fairphone can be purchased without /e/OS at all. It’s now being sold in the US without Murena being involved at all.