"I feel this would only make the problem worse! firstly since peeing on the ground or standing a little further from the wall or even peeing diagonally along the wall will eliminate the negative effect off the hydrophobic paint.Secondly the problem of people having to pee hasn't been solved at all!In The Hague, The Netherlands, there is a great solution to this problem, after a certain hour (around 10pm) Public toilets rise from the ground in the city centre and around bars during weekends (thursday evenings till sunday evenings). Easily accessible and visible in night time and completely invisible during day time. I think they're called Urilifts, but anyhow I think it's a way better to try to facilitate than it is to try to restrain something which is inevitable"