I’d probably set up some firewall rules / a VLAN to isolate the cameras. I generally don’t trust any company to do the reasonable thing, and apparently, these days, we live in a world where many companies are outright malicious.

You can trust them about this much:

https://www.theverge.com/23573362/anker-eufy-security-camera-answers-encryption

I’d never have expected Jenny to let herself go like that.