Earlier quoted context omitted.
It's simple math. To hold the camera housing of an iPhone camera the thickness has to go up which means the entire top lid needs to become thicker. This will easily double the weight of the laptop.
Objection. Huawei has a webcam coming out of the keyboard: https://www.theverge.com/2018/2/25/17050098/huawei-matebook-...
> Now that I’ve used the webcam for myself, I can say that it’s woefully impractical. In order to actually have it looking at my face, I have to tilt the entire laptop up due to the fixed angle of the camera. It’s a cool idea, but probably shouldn’t have made its way to an actual retail product. People are likely to be super frustrated trying to use this webcam