https://www.youtube.com/playlist?list=PLVcHxw2MHN0SCgxkqsQUg... is a pretty good selection of traditional greenwood skills. The shingles videos contain a fair bit of the riving as described in the article.

Youtube search is actually pretty good. Toss in the terms suggested.

I'm having a bit of a difficult time finding relevant results for "silent Japanese guys that are wickedly good at joinery" on YouTube; the results tend to leave out the "silent" part.