Inspired by the news that Waltham Forest are going to start issuing on the spot fines for this and urinating in public http://www.bbc.co.uk/news/uk-england-london-21439973
I think it's grim. Once I was using a cash point in Camden on my way to a client's office, I was very, very hungover and dropped my card. When I went to pick it up it was sinking into a pool of gob. It was all very Ghostbusters, but disgusting.