Sometimes, people tend to forget things, like why they don't take public transportation. The main problem with it was the lack of control. Not only do you have no say in who gets to ride with you, but you also can't decide the destination or the stops. In the case of a train sliding over elevated tracks, you would be trapped with whoever decided to get in with you beforehand.
In a city with far too many trigger-happy people, public transportation was a last resort taken only by those who couldn't afford an alternative. Gangsters avoided them because they were prime spots for ambushes, but maybe because the reality of his current occupation had yet to set in, Oliver had let his guard down.
Three cyborgs, each with a rifle for an arm, plus who knows what other enhancements. It felt like everything was over when the shooting began. In the face of such a threat, two Basics couldn't do much.
