This mirrored my reaction as well. My first thought went something like, "that was a reasonably accurate explanation that most computer users would have understood... circa 1999."

Standard practices among browsers have changed, and your typical modern user of a computing device is no more savvy to techno-speak than a coconut can comprehend Etruscan.

The explanation is dated and needs to be retired; that's no reason to go after it with such vitriol.