alt Hacker NewsOne feature of this intervention was that it directly coerced the behavior that was their desired outcome, with the threat of stricter enforcement.
Whereas many of the interventions mentioned in the article were seemingly logical but indirect: If we do A, it will cause people to behave B, resulting in C.
In places where you have to drive to get to a bar, and it may also be illegal to sleep in your car, if you can't drink and drive, you can't drink.
In places where you can take the metro to the bar, or walk to the bar, it's a lot different.