IOW, it was also technically hard for Sony to launch the original Walkman, but they overcame the difficulties, because they expected a huge market success (which followed).
Now the product would be niche, and what had been originally built for its production became unavailable. The effort to stand up it all over again would not pay off.
Now the product would be niche, and what had been originally built for its production became unavailable. The effort to stand up it all over again would not pay off.