Pre-Spotify, MP3 players would usually only ship with MP3 support (thus the name), so people would only rip to MP3. Ask any millennial and most of them will never have heard of Ogg.
Personal music players had the issue that they had to have MP3 due to market forces, so offering Vorbis didn't save them any money. There were also some design decisions in Vorbis that made it a little more annoying to support on some very limited hardware than MP3.