laptop webcams are being pushed aside so laptops can be smaller around the edges and thus lighter and more portable. If these latest laptops are any proof, then more OEMs are beginning to value webcams less and less in order to achieve a sleeker and more eye-catching "frame-less" look.
https://www.notebookcheck.net/Narrow-bezel-laptops-are-prompting-a-worrying-trend-for-webcams.314178.0.html