My personal opinion on this would be that if this was opened to having these available for the CD-i only with the Green Book movies, that would be all I would like to allow since Green Book specifies CD-i only. Otherwise, we will quickly open the huge can of worms that would allow all CDs, VCDs, DVDs, Blu-Rays, and LaserDiscs in the DB as well just because they are capable of being played on a console. I'll happily defer to some of the DB guys for input also, but at a certain point, this could start to change the DB from a video game only one to a general purpose media one.
I would tend to agree with this. I know there are a handful of UMD video discs in the database and realistically, unless they include game play, they probably shouldn't be listed.