Actually, the pictures depicts racegoers as having a good time with lots of smiles, laughs, shenanigans, etc: that's the good part. The rubbish, on the other hand, is not such a good look, and it would be more appropriate for the revellers to be a bit more considerate and show a bit of class - otherwise, they need to dress down to their true levels instead by wearing trackies and moccasins.