The Green Book was just another standard, dictating the tolerances a CD player had to operate within in order to certify as being CD-I player capable. Where the

The Green Book was just another standard, dictating the tolerances a CD player had to operate within in order to certify as being CD-I player capable. Where the Red Book dictated how data on disc in sectors had to be organized and played back, the Green Book did the same for interleaved files and real time media. There was no concept of "abuse", just different standards for different purposes. Any CD-I player was a CD-ROM player, but only Green Book complaint hardware could be called a CD-I player.