[LeoPanthera]

You are equating the number of commercial pre-recorded MiniDisc with the success of the format but that's just not how it works.

MiniDisc replaced tape, not CDs or records. Its raison d'etre was recording your own discs.

[OldGoodNewBad]

It never even matched tape, in terms of blank media or devices sold yearly even at its peak even in Japan.