It is hard, I agree. I’m not very good at it myself. But even semi-decent docs are better than googling around or stepping through a decompiled package.
And it’s super useful to new developers, and would have saved me a lot of time and frustration when I was new.
So if that’s actually just a guess, I’m impressed, and you must have some experience in thin-film lol.
LCD panels actually use a thin film of silicon (I think it’s silicon) over each pixel. And cheap panels using TN technology often have this issue and very poor viewing angles.