: Constant spinning led to wear and tear on both the optical drive and the disc itself. Laptop Portability
Optical drives were significantly slower than hard drives. Bypassing the disc check often led to faster initial loading times. Technical Mechanism
For those unfamiliar with the term, a "no CD crack" refers to a type of software patch or hack that allows a game to run without requiring the original CD-ROM or DVD to be inserted into the computer's disc drive. This was often sought after by gamers who wanted to play the game without having to constantly switch between the game disc and other CDs or DVDs.