they were arts sentiments exactly : he thought that all golfers should come with a public health warning attached - sartorial hazard - and that golf course designers were even more pernicious , their crimes against nature including deforestation , soil erosion , the creation of unsustainable ecosystems , and the introduction of vast amounts of artificial chemicals , fertilizers and pesticides into often fragile natural environments , whilst their creations were a spreading blight on the face of the english countryside under the excuse of sport .