That's the problem. LRG takes advantage of the fact that many people won't open the games, so they think no one will notice when they pull stuff like this. Nobody who received these CD-Rs knew they would be getting a CD-R. There are people who open and play LRG's releases and people who value having an "official", legal release. (I use quotes because LRG's rereleases of old games aren't licensed by the hardware manufacturers, but they are made with the involvement of the game's publisher.) In the case of Plumbers Don't Wear Ties, LRG's release was cheaper than buying the original secondhand these days.