Personally I wouldn’t really want to rely on that scratched up copy of The Gods Must Be Crazy IV: Crazy in Hong Kong or a variable quality, cut-up YouTube version of Teen Witch as the sole formats to maintain my cultural heritage.
The reality is that every system is vulnerable to this type of error regardless of its cost. And no matter how small the error, it is not an acceptable occurrence in a preservation transfer. The nature of digital interstitial errors makes them very difficult to identify using currently available methods and tools, and the truth is that they are often missed and overlooked. In short, the community needs better tools to identify and respond to errors such as these.