Something Tells Me The Sign Didn't Work

Click image to view a bigger version I was absolutely exhausted after work this evening for some reason, and fell asleep on the sofa after I'd had dinner.
One of the many advantages of this time of year is that it stays light to a sufficiently late point that one can crash out, recover a bit, and still get a decent walk in! I thought this sign and graffiti made an amusing juxtaposition.