Such stories exist everywhere and cover the occupants of the benches of Central Park in New York to the SDFs of Paris. They lack research or even thought.
Rationally speaking, if you were homeless, would you be trying to get a roof above your head? If that were hopeless, would you be drinking? Would you start drinking before trying to find shelter? It is prejudicial to think that many people, all men or a whole population would rather drink than get other comforts, such as living quarters and food. People like that drink for oblivion, not for fun. The solution is not to take alcohol away but to give hope.
The city of Paris employs them to sweep gutters. It ain't much, but it's better than considering them human waste. Those Australian cards are something, but, judging from the results, not enough. Those tokens are signs of profiteering through trucking, not a social service.