Devices with microphones usually have a way to mute them or deactivate the voice assistant, and doing this is a good way of ensuring they aren't listening in by mistake.
If you want to use an indoor camera, consider what (or who) will be in its field of view when it’s on, and consider popping it into a smart plug so you can turn it off remotely if needed. Devices with microphones usually have a way to mute them or deactivate the voice assistant, and doing this is a good way of ensuring they aren't listening in by mistake.