Excluding the fact that drug addicts are still humans deserving love, care and the opportunity to recuperate - fostering a clean & safe transit environment is practically a solved problem internationally.
Maybe the moral depravity of SF breeds truly irredeemable addicts, but as someone whos met a lot of troubled people and ridden a lot of public transit your statement seems alarmingly and unhelpfully critical
Maybe the moral depravity of SF breeds truly irredeemable addicts, but as someone whos met a lot of troubled people and ridden a lot of public transit your statement seems alarmingly and unhelpfully critical