The PS2 needed a modchip for piracy. Most people don't want to go through that trouble. Pirates realized that it was possible to boot games on CD-R on an unmodd

The PS2 needed a modchip for piracy. Most people don't want to go through that trouble. Pirates realized that it was possible to boot games on CD-R on an unmodded Dreamcast. Sega and game devs weren't eager to advertise that fact, so you're not going to find any articles. But once that happened developers weren't putting money into new releases.