The article describes an important issue. For the effect to look right, you have to close one eye. I suppose if you had a stereoscopic display this would not be an issue
Because it's a tough sell to put a camera right in front of people's TV. IIRC, the only product managed to do this is Portal TV from Facebook...
I actually tried something like this and talked to lots of potential users about this (during 2020 pandemic). But the willingness to pay for the camera is quite low.
I remember when the Xbox 360 was announced and the core idea is that you plugged all your media crap into it. Combined with Kinect, it screamed, “we just want to know what you’re doing.”
