“AG Barr, the maker of Irn Bru, warned that “the scope for fraud in a Scottish DRS [deposit return scheme] is huge. On a small scale we could see people scavenging in bins for containers, as is the US experience. On a medium scale there is the potential for local authority amenity centre looting. And on a larger scale there is the very real possibility of cross-border trafficking of deposit-bearing containers. It costs around £400 to move a lorry load of cans from England to Scotland. A single lorry could carry 160,000 crushed cans or £32,000 worth of deposits.”” https://www.theguardian.com/environment/2017/sep/05/scotland-planning-deposit-return-scheme-for-bottles-and-cans
And on a massive scale, there’s combining the health hazards of refined sugar, carbonic and citric acids, artificial flavourings, preservatives and colours, and rust into a multimillion pound business.