a bit of paint doesn’t harm anyone, or impact the operation of your car either - so what slogan would you like scrawled across it? Any particular colour preference?
cook pass partridge
On a serious note, it depends on the context. I like some of the stuff on buildings in Brighton. Seeing my 8 year old nephew burst into tears when some prick tagged all over my Brother's memorial bench on Plymouth Hoe, not so much. Context people, context.