> So why is the top voted comment an Instagram reel of a non-technical person trying to interpret what's happening?

It's difficult for me to read this as anything other than dismissing this person's views as being unworthy of discussing because they are are "non-technical," a characterization you objected to, but if you feel this shouldn't be the top level comment I'd suggest you submit a better one.

Here's a more detailed breakdown I found after about 15m of searching, I imagine there are better sources out there if you or anyone else cares to look harder: https://www.reddit.com/r/youtube/comments/1lllnse/youtube_sh...

To me it's fairly subtle but there's a waxy texture to the second screenshot. This video presents some more examples, some of them have are more textured: https://www.youtube.com/watch?v=86nhP8tvbLY