Returning bottles for a deposit in Toronto is incredibly inconvenient.
Yet, the same phenomenon seems to exist in Berlin, where public drinking is tolerated if not encouraged and bottles can be returned to supermarkets.
In general, I wouldn't direct any condemnation upon individuals for scavenging... instead it's worth scrutinizing systems that encourage this waste.
"Keep America Beautiful" was founded by Philip Morris, Anheuser-Busch, PepsiCo, and Coca-Cola...