This article does seem to skirt around the obvious, that you _can_ buy a decent webcam, if you pay Logitech the money they want. Given how often they've been sold out this year, people are buying them.

Both the C920[1] and the StreamCam[2] work well.

1 - https://www.logitech.com/en-gb/products/webcams/c920-pro-hd-...

2 - https://www.logitech.com/en-gb/products/webcams/streamcam.96...