"Yes, but I can just make an ISO," you say. That requires 700mb of hard drive space, plus software to mount it, plus a virtual driver. The No CD patch replaces the need for all of this. It is a single 300kb file. That is efficiency.
A common misconception is that playing without the CD means losing the iconic soundtrack. In the 90s, PC games often used "Red Book Audio"—standard CD audio tracks playable in any CD player. road rash no cd patch better
, primarily due to its reliance on physical CD-ROM checks and 16-bit installers. No-CD patch "Yes, but I can just make an ISO," you say