We know some of the issues surrounding labelling. As you said, the best by date, the use by date, are certainly factors that play into the amount of food waste. Certainly more can be done on coordinating the use of those labels, because for instance you can have two products side by side, they're packaged at different facilities by the same company, and those use by dates are presented differently. I've been confused by them. For instance, you could have the year first, the day first, the month first, and unless you take a double look you could be confused, so someone who is overly cautious could throw food away unnecessarily.
It's one of the ways industry operates that exacerbates the amount of waste we see in the home.