How prominent was the phrase 'digital rights management' when Linux's direct rendering manager was created (Wikipedia says 1999)? The FSF's 'Defective by Design' anti-DRM campaign didn't start until 2006.
not at all, I recall that no one (outside of the music industry perhaps) used the phrase 'digital rights management' until iTunes added DRM to music in 2003/2004, other things like the copy protection for videotapes/DVDs/games were just generically called copyprotection, or other domain specific terms such as activation (in the case of things like windows XP), not DRM.