When I saw this in my paper this morning, I thought at first that it was an Onion story mistakenly picked up as real.
Lizzie Johnson reports in the San Francisco Chronicle:
Give them credit for ingenuity. That certainly is a creative way to deal with a public order problem.
The other thing that occurred to me is that this retaliatory measure will have a disparate impact on men. Of course, it is nearly exclusively men committing the offense in this particular manner, but under current disparate impact theory the rate of offending is irrelevant.
Beware, public urinators, some of San Francisco's walls now pee back.
Public Works crews have finished painting nine city walls with pee-repellant paint and more are in the works. The painted surfaces make urine spray right back onto the shoes and pants of unsuspecting relief-seekers. It's the city's latest attempt to clean up urine-soaked alleyways and walls.
Give them credit for ingenuity. That certainly is a creative way to deal with a public order problem.
The other thing that occurred to me is that this retaliatory measure will have a disparate impact on men. Of course, it is nearly exclusively men committing the offense in this particular manner, but under current disparate impact theory the rate of offending is irrelevant.

Brutal, Kent, brutal. Not to mention wet.
I was going to make a comment involving Caitlin Jenner but this being a PG blog, I thought better of it.