Many of the taxies in Taipei already carry a no smoking sign and taxi drivers will refuse to transport passengers who ignore the sign and insist on lighting up inside the taxi.
Another student I knew in grad school was told not to defend, based on the draft of his dissertation. He overruled his committee's advice, and failed his defense.
Similarly, to many people regardless of age or income, legal and illegal drugs as well as cigarettes are an all too prevalent and dangerous way of dealing with stress in the short term.
Subsequently, the crows either ignored the object or dropped the tool and pecked at the object—which is very different from using the tool to get access to food.
I'm going to disregard the roid-raging-Mohawk-and-cape Yat we saw in his first appearance because the outfit he's worn as the ion is, in my opinion, one of the better looking modern costumes.