Earlier quoted context omitted.
> So yes, all things being equal, better lighting helps $63 on a C920, add one window (typically ships free with your house/apartment) plus access to one truly special light source which although it's 93 million miles away you were lucky enough to get a free lifetime subscription to when you arrived on this planet. Why spent time worrying about what a cell phone camera can achieve in poor or uneven lighting if a bog-…
The point of the article is that even a shitty old cell phone handily beats a "mid-range" C920 webcam. Yes, lighting conditions are important to photography, but, as the author demonstrates, cell phone cameras are better even in those scenarios. Furthermore, if you live in northern latitudes you get very little sunlight during the winter so a "window" is not a sufficient solution.
Perhaps I wasn't clear: a North-facing window never gets direct sunlight, but doesn't matter because we're after neutral, even light.
Certainly not "direct light", not even "lots of light".
Just neutral, even light. It's worked for artists for centuries.