This is the typical incorrect common-knowledge story. If you look at the papers from which DRM came, it's obvious that it wasn't solely aimed at copyright and didn't require proprietary hardware. The term is general, as are the concepts behind it.
It's not that I'm expanding the definition. It's that an uninformed public has narrowed it, much as happened with "meme."
Can you please provide a reference of these papers? I've made some searches before posting previously and everything I found (search for writings from the 90s) corroborated my understanding of its origins.
It's not that I'm expanding the definition. It's that an uninformed public has narrowed it, much as happened with "meme."