> The number of knitting kits sold (an example from the article)

Also, "knitting kits" were not a thing for most of my life. You'd just buy yarn needles and yarn. This is not some kind of a craft where you need dozens of implements.

The kit is pretty much a product of the TikTok / YT influencer era. Indeed, a typical kit will often contain needles, yarn, and a... link to a video you can watch:

https://www.amazon.com/Complete-Knitting-Kit-Beginners-Acces...