that was not the intent... those guys have probably some tough lives behind them and no future here, living often without permit on the fringe of society. it's just that meeting them in dark alleys after dark, being surrounded by suspicion etc. ain't activity I do for pleasure or some weird kick out of it; just a necessary evil.
But there is no reason not to point it out. He made an observation about the drug dealers in his area, and mentioned it. I don't see why there would be anything more to it than that.