There is a reddit thread about security here:
Can you share why the indoor 2K cameras need to communicate with Eufy servers, when I only want to use Apple HomeKit with these cameras?
I just bought 2 x Indoor 2K Pan and Tilt cameras but I might return these because I only want to use them with Apple Homekit
I understand you can just delete the Eufy app once HomeKit is working but the cameras are still communicating with Eufy servers.
I hope a future firmware update can have this working properly, where HomeKit can be setup without a Eufy account…