Agreed. For a comfortable experience where people will likely be interacting from different areas in a room, instead of always sat in the same position at a desk, you have 3 main priorities:
- Decent intelligent microphone array;
- Subject tracking/PTZ camera (can be software);
- User friendly.
User friendly can be a bit of a challenge for any "home made" solution.
One of the best home systems I've come across, both in usability and value, was the Facebook/Meta Portal TV. You sat it on your TV like a soundbar and initiated video calls from your phone (WhatsApp, FB, etc). The microphone array was very impressive, and the camera automatically zoomed and tracked everyone in the room. It also had lots of interactivity options, allowing you to read animated stories to the kids, play games together, etc, etc.
It launched at the lowly price of $49, before creeping up to $199, and then unfortunately being discontinued in 2022. The service still works though, so buying them indirectly is still an option.
The Meta tie-in isn't ideal, but it really is (was) a fantastic product & service.
For a PTZ webcam option, the Insta360 Link is a nice option also at $199, however it still leaves you looking for a decent microphone array.