Starbucks Graffiti with Disclaimer

Now here’s something you won’t find in everyday in a Starbucks: Graffiti on the wall with a disclaimer next to it in Wellington, Florida. I wonder why they bothered with typing, printing and attaching the sign when they could have simply covered up or removed the graffiti in the first place. Does Starbucks have a special “Graffiti Removal Crew” that travels from store to store upon request with high-pressure water jets to “properly” take care of these situations? Here is a close-up of the sign: