horseshoe crabs are always referred to with the word horseshoe in front
They weren’t in this case, so that “always” seems to be a stretch.
if one cares about communication.
It’s made clear in the article. If one cares about communication they’re reading past a headline.
DRM exists to "protect’ the software developer, i.e. protect profits by making sure every copy has been paid for and to force people to buy multiple copies in certain cases. DRM never has and never will be for your (the consumer’s) benefit.