The Einwegpfand was supposed (I guess?) to make Einwegflaschen go away and promote Mehrwegflaschen.
As far as I can tell, retail outlets just got good at crushing Einwegflaschen. An investment in capability that benefitted basically no one.
There is a benefit: You rarely find plastic bottles and beer cans in the environment any more.
I lived in Hamburg for almost 30 years, but the city was never dirtier than it is right now.
Replying to sibling comment: The incentive is to not break the bottle, but return it instead.
The Einwegpfand was supposed (I guess?) to make Einwegflaschen go away and promote Mehrwegflaschen.
As far as I can tell, retail outlets just got good at crushing Einwegflaschen. An investment in capability that benefitted basically no one.