This isn't quite accurate, SONY was furious about the fate of DAT and how the recording industry sabotaged it, so they bought a major record producer (Columbia)

This isn't quite accurate, SONY was furious about the fate of DAT and how the recording industry sabotaged it, so they bought a major record producer (Columbia), unfortunately it seems at least for a time, the foxes came to rule the hen house at SONY, hence their 20 years of so of self sabotage with format restrictions.