I did read and no they didn’t address this specific question, this is all it says about personal assistants:
Tip 5: Open-Source Voice AssistantOpen-Source Voice Assistant
Say goodbye to Alexa and other voice assistants that eavesdrop and analyze your conversations. Instead, try a privacy-friendly alternative like OpenVoiceOS, an open-source assistant developed by an active community and runnable on a Raspberry Pi. This way, you stay in control of your data.
You just need to read more of the blog, I’m sure they went in-depth at some point.
I did read and no they didn’t address this specific question, this is all it says about personal assistants: