Loose CDs in bigger soundtrack CD cases

[Ragitsu]

Is this typically a problem caused by the producer, the stores/sites that sell them, or the shipping companies that move them?

Also, does this typically scratch up the disc(s) inside?

[KeyLogic]

I'd assume that the friction from the CD rubbing up against the plastic could cause some scratches over time, just like how some CDs become slightly damaged from repeated use in a CD-ROM.