I happily accept the house points. I am a Grifindor Girl, myself, so please up the score!
Finding that was really easy, finally, though. It wasn't me unearthing the thread but asking the right people (in second attempt).
If you click to the stock photo you see why it was chosen... the search was minimal. The istock keywords are:
Crochet, Senior Adult, Human Hand, Craft, Senior Women, Close-up, Human Finger, Textile, Human Thumb, Needlecraft Product ...more
So... no, I would expect a better research, I totally agree. That is why I try not to write about things I do not understand.
The technique you found for crochet was my first brain spark when seeing this pic. I set out to make a piece. Then compared to the picture and ... no, the diagonal does not happen. The slanting strands were not what I wanted.
I thought this was just for my lack of crochet-creativity and that it would go someway like this.
But a straight-line weaving you can do. Might look pretty good in varigated yarn because the colors "jump" then.