Comment by xp84
Theoretically a high enough deposit could probably “fix the problem.” Like, if the empty was worth a $25 deposit most people would 100% take them back to the store. It would be annoying for people to have the high deposit, but it’s really a one-time expense.
On the other hand at least in the US, a deposit of a buck or two wouldn’t do much. California has that for cans and bottles, yet only maybe 10% of people turn them in. Most end up in curbside recycling (which doesn’t refund) or the garbage, indicating people don’t care about getting their nickel or dime back.
Where I live in CA, many end up going to some stranger who rifles through everybody's curbside recycling bin before trash day. It's sad that times are hard, and this is the side job we've accidentally invented.